diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36f85f2..6b0ace6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [main]
 
+permissions:
+  contents: read
+
 env:
   CARGO_TERM_COLOR: always
   RUSTFLAGS: "-Dwarnings"
@@ -26,10 +29,17 @@ jobs:
             rust: "1.75"
     steps:
       - uses: actions/checkout@v6
-      - uses: dtolnay/rust-toolchain@master
+      - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
       - uses: Swatinem/rust-cache@v2
+
+      - name: Install system dependencies (Ubuntu)
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libssl-dev pkg-config
+
       - run: cargo build --locked
       - run: cargo test --locked
 
@@ -42,7 +52,13 @@ jobs:
         with:
           components: clippy
       - uses: Swatinem/rust-cache@v2
-      - run: cargo clippy --all-targets -- -D warnings
+
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libssl-dev pkg-config
+
+      - run: cargo clippy --all-targets --all-features -- -D warnings
 
   fmt:
     name: Formatting
@@ -61,6 +77,12 @@ jobs:
       - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
-      - run: cargo doc --no-deps --document-private-items
+
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libssl-dev pkg-config
+
+      - run: cargo doc --no-deps --document-private-items --all-features
         env:
           RUSTDOCFLAGS: "-Dwarnings"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3022bd4..4cd234d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -41,11 +41,15 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
-      - name: Install cross-compilation tools
-        if: matrix.target == 'aarch64-unknown-linux-gnu'
+      - name: Install system dependencies (Linux)
+        if: runner.os == 'Linux'
         run: |
           sudo apt-get update
-          sudo apt-get install -y gcc-aarch64-linux-gnu
+          sudo apt-get install -y libssl-dev pkg-config
+
+      - name: Install cross-compilation tools
+        if: matrix.target == 'aarch64-unknown-linux-gnu'
+        run: sudo apt-get install -y gcc-aarch64-linux-gnu
 
       - name: Install musl tools
         if: matrix.target == 'x86_64-unknown-linux-musl'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4edddfb..7f5db92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 
+## [0.2.0] - 2026-04-06
+
+### Added
+
+- `.dbdiff.yml` configuration file with table/column ignore patterns
+- `--config <FILE>` CLI flag (defaults to `.dbdiff.yml`)
+- MySQL/MariaDB schema introspection via `information_schema`
+- SQLite schema introspection via `PRAGMA` commands
+- Cargo feature flags: `postgres`, `mysql`, `sqlite` (all enabled by default)
+- Column ignore patterns: `*.column`, `table.*`, `table.column`
+
+### Changed
+
+- Database backends are now optional via feature flags
+- `tokio-postgres` is now an optional dependency (feature `postgres`)
+
 ## [0.1.0] - 2024-04-06
 
 ### Added
@@ -24,5 +40,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 - Locking warnings for dangerous ALTER operations
 - `.dbdiff.yml` configuration file support (ignore tables/columns)
 
-[Unreleased]: https://github.com/rekurt/dbdiff/compare/v0.1.0...HEAD
+[Unreleased]: https://github.com/rekurt/dbdiff/compare/v0.2.0...HEAD
+[0.2.0]: https://github.com/rekurt/dbdiff/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/rekurt/dbdiff/releases/tag/v0.1.0
diff --git a/Cargo.lock b/Cargo.lock
index 1702082..64d8345 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,35 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "adler2"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
+
+[[package]]
+name = "ahash"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "891477e0c6a8957309ee5c45a6368af3ae14bb510732d2684ffa19af310920f9"
+dependencies = [
+ "getrandom 0.2.17",
+ "once_cell",
+ "version_check",
+]
+
+[[package]]
+name = "ahash"
+version = "0.8.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a15f179cd60c4584b8a8c596927aadc462e27f2ca70c04e0071964a73ba7a75"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.4"
@@ -11,6 +40,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
 [[package]]
 name = "anstream"
 version = "1.0.0"
@@ -47,7 +82,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -58,7 +93,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -67,6 +102,12 @@ version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
 
+[[package]]
+name = "arrayvec"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+
 [[package]]
 name = "assert_cmd"
 version = "2.2.0"
@@ -90,7 +131,7 @@ checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -99,18 +140,76 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
+[[package]]
+name = "base64"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
 [[package]]
 name = "base64"
 version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "bigdecimal"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d6867f1565b3aad85681f1015055b087fcfd840d6aeee6eee7f2da317603695"
+dependencies = [
+ "autocfg",
+ "libm",
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "bindgen"
+version = "0.72.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "993776b509cfb49c750f11b8f07a46fa23e0a1386ffc01fb1e7d343efc387895"
+dependencies = [
+ "bitflags",
+ "cexpr",
+ "clang-sys",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "bitflags"
 version = "2.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "843867be96c8daad0d758b57df9392b6d8d271134fce549de6ce169ff98a92af"
 
+[[package]]
+name = "bitvec"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bc2832c24239b0141d5674bb9174f9d68a8b5b3f2753311927c172ca46f7e9c"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.12.0"
@@ -120,6 +219,30 @@ dependencies = [
  "hybrid-array",
 ]
 
+[[package]]
+name = "borsh"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfd1e3f8955a5d7de9fab72fc8373fade9fb8a703968cb200ae3dc6cf08e185a"
+dependencies = [
+ "borsh-derive",
+ "bytes",
+ "cfg_aliases",
+]
+
+[[package]]
+name = "borsh-derive"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfcfdc083699101d5a7965e49925975f2f55060f94f9a05e7187be95d530ca59"
+dependencies = [
+ "once_cell",
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "bstr"
 version = "1.12.1"
@@ -131,12 +254,43 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "btoi"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dd6407f73a9b8b6162d8a2ef999fe6afd7cc15902ebf42c5cd296addf17e0ad"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d20789868f4b01b2f2caec9f5c4e0213b41e3e5702a50157d699ae31ced2fcb"
 
+[[package]]
+name = "bytecheck"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23cdc57ce23ac53c931e88a43d06d070a6fd142f2617be5855eb75efc9beb1c2"
+dependencies = [
+ "bytecheck_derive",
+ "ptr_meta",
+ "simdutf8",
+]
+
+[[package]]
+name = "bytecheck_derive"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3db406d29fbcd95542e92559bed4d8ad92636d1ca8b3b72ede10b4bcc010e659"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -149,12 +303,39 @@ version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
 
+[[package]]
+name = "cc"
+version = "1.2.59"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7a4d3ec6524d28a329fc53654bbadc9bdd7b0431f5d65f1a56ffb28a1ee5283"
+dependencies = [
+ "find-msvc-tools",
+ "jobserver",
+ "libc",
+ "shlex",
+]
+
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "cfg_aliases"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
+
 [[package]]
 name = "chacha20"
 version = "0.10.0"
@@ -162,8 +343,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6f8d983286843e49675a4b7a2d174efe136dc93a18d69130dd18198a6c167601"
 dependencies = [
  "cfg-if",
- "cpufeatures",
- "rand_core",
+ "cpufeatures 0.3.0",
+ "rand_core 0.10.0",
+]
+
+[[package]]
+name = "clang-sys"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b023947811758c97c59bf9d1c188fd619ad4718dcaa767947df1cadb14f39f4"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
 ]
 
 [[package]]
@@ -197,7 +389,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[package]]
@@ -206,6 +398,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
 
+[[package]]
+name = "cmake"
+version = "0.1.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0f78a02292a74a88ac736019ab962ece0bc380e3f977bf72e376c5d78ff0678"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "cmov"
 version = "0.5.3"
@@ -224,7 +425,7 @@ version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "faf9468729b8cbcea668e36183cb69d317348c2e08e994829fb56ebfdfbaac34"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -233,6 +434,31 @@ version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6ef517f0926dd24a1582492c791b6a4818a4d94e789a334894aa15b0d12f55c"
 
+[[package]]
+name = "core-foundation"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2a6cd9ae233e7f62ba4e9353e81a88df7fc8a5987b8d445b4d90c879bd156f6"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
+[[package]]
+name = "cpufeatures"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.3.0"
@@ -242,6 +468,81 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc32fast"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9481c1c90cbf2ac953f07c8d4a58aa3945c425b7185c9154d67a65e4230da511"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "crossbeam"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1137cd7e7fc0fb5d3c5a8678be38ec56e819125d8d7907411fe24ccb943faca8"
+dependencies = [
+ "crossbeam-channel",
+ "crossbeam-deque",
+ "crossbeam-epoch",
+ "crossbeam-queue",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-channel"
+version = "0.5.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82b8f8f868b36967f9606790d1903570de9ceaf870a7bf9fbbd3016d636a2cb2"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-deque"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.9.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-queue"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f58bbc28f91df819d0aa2a2c00cd19754769c2fad90579b3592b1c9ba7a3115"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
+
+[[package]]
+name = "crypto-common"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.2.1"
@@ -260,15 +561,52 @@ dependencies = [
  "cmov",
 ]
 
+[[package]]
+name = "darling"
+version = "0.20.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc7f46116c46ff9ab3eb1597a45688b6715c6e628b5c133e288e709a29bcb4ee"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.20.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d00b9596d185e565c2207a0b01f8bd1a135483d02d9b7b0a54b11da8d53412e"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn 2.0.117",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.20.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "dbdiff"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "assert_cmd",
  "clap",
  "colored",
+ "mysql_async",
  "predicates",
  "regex",
+ "rusqlite",
  "serde",
  "serde_json",
  "serde_yaml",
@@ -277,24 +615,60 @@ dependencies = [
  "tokio-postgres",
 ]
 
+[[package]]
+name = "deranged"
+version = "0.5.8"
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+ "core-foundation-sys",
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+
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@@ -851,7 +2095,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
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+ "syn 2.0.117",
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+ "winapi",
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
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- "getrandom",
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+ "windows-sys 0.61.2",
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+ "winapi-util",
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+dependencies = [
+ "displaydoc",
+ "zerovec",
+]
+
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@@ -985,9 +2403,9 @@ dependencies = [
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  "mio",
  "pin-project-lite",
- "socket2",
+ "socket2 0.6.3",
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- "windows-sys",
+ "windows-sys 0.61.2",
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 dependencies = [
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+ "syn 2.0.117",
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+dependencies = [
+ "native-tls",
+ "tokio",
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 [[package]]
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+ "fallible-iterator 0.2.0",
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@@ -1020,8 +2448,8 @@ dependencies = [
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  "postgres-protocol",
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- "rand",
- "socket2",
+ "rand 0.10.0",
+ "socket2 0.6.3",
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+[[package]]
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+dependencies = [
+ "serde_core",
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+
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+dependencies = [
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+ "toml_datetime",
+ "toml_parser",
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+ "cfg-if",
+ "rand 0.8.5",
+ "static_assertions",
+]
+
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+[[package]]
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+ "idna",
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+ "serde",
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+
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+dependencies = [
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+ "wasm-bindgen",
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+
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@@ -1151,6 +2660,7 @@ dependencies = [
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  "once_cell",
  "rustversion",
+ "serde",
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@@ -1174,7 +2684,7 @@ dependencies = [
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- "syn",
+ "syn 2.0.117",
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@@ -1244,12 +2754,52 @@ dependencies = [
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+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
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+dependencies = [
+ "windows-sys 0.61.2",
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+dependencies = [
+ "windows-targets",
+]
+
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@@ -1259,6 +2809,79 @@ dependencies = [
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+[[package]]
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+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
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+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "winnow"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09dac053f1cd375980747450bfc7250c264eaae0583872e845c0c7cd578872b5"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "wit-bindgen"
 version = "0.51.0"
@@ -1289,7 +2912,7 @@ dependencies = [
  "heck",
  "indexmap",
  "prettyplease",
- "syn",
+ "syn 2.0.117",
  "wasm-metadata",
  "wit-bindgen-core",
  "wit-component",
@@ -1305,7 +2928,7 @@ dependencies = [
  "prettyplease",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.117",
  "wit-bindgen-core",
  "wit-bindgen-rust",
 ]
@@ -1347,8 +2970,148 @@ dependencies = [
  "wasmparser",
 ]
 
+[[package]]
+name = "writeable"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ffae5123b2d3fc086436f8834ae3ab053a283cfac8fe0a0b8eaae044768a4c4"
+
+[[package]]
+name = "wyz"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
+dependencies = [
+ "tap",
+]
+
+[[package]]
+name = "yoke"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abe8c5fda708d9ca3df187cae8bfb9ceda00dd96231bed36e445a1a48e66f9ca"
+dependencies = [
+ "stable_deref_trait",
+ "yoke-derive",
+ "zerofrom",
+]
+
+[[package]]
+name = "yoke-derive"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de844c262c8848816172cef550288e7dc6c7b7814b4ee56b3e1553f275f1858e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+ "synstructure",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.8.48"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eed437bf9d6692032087e337407a86f04cd8d6a16a37199ed57949d415bd68e9"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.48"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70e3cd084b1788766f53af483dd21f93881ff30d7320490ec3ef7526d203bad4"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
+[[package]]
+name = "zerofrom"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69faa1f2a1ea75661980b013019ed6687ed0e83d069bc1114e2cc74c6c04c4df"
+dependencies = [
+ "zerofrom-derive",
+]
+
+[[package]]
+name = "zerofrom-derive"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11532158c46691caf0f2593ea8358fed6bbf68a0315e80aae9bd41fbade684a1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+ "synstructure",
+]
+
+[[package]]
+name = "zerotrie"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f9152d31db0792fa83f70fb2f83148effb5c1f5b8c7686c3459e361d9bc20bf"
+dependencies = [
+ "displaydoc",
+ "yoke",
+ "zerofrom",
+]
+
+[[package]]
+name = "zerovec"
+version = "0.11.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90f911cbc359ab6af17377d242225f4d75119aec87ea711a880987b18cd7b239"
+dependencies = [
+ "yoke",
+ "zerofrom",
+ "zerovec-derive",
+]
+
+[[package]]
+name = "zerovec-derive"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "625dc425cab0dca6dc3c3319506e6593dcb08a9f387ea3b284dbd52a92c40555"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "zmij"
 version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
+
+[[package]]
+name = "zstd"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e91ee311a569c327171651566e07972200e76fcfe2242a4fa446149a3881c08a"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "7.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f49c4d5f0abb602a93fb8736af2a4f4dd9512e36f7f570d66e65ff867ed3b9d"
+dependencies = [
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.16+zstd.1.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e19ebc2adc8f83e43039e79776e3fda8ca919132d68a1fed6a5faca2683748"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
diff --git a/Cargo.toml b/Cargo.toml
index f3efce2..e3d7df9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dbdiff"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 rust-version = "1.75"
 authors = ["rekurt"]
@@ -25,10 +25,18 @@ exclude = [
 name = "dbdiff"
 path = "src/main.rs"
 
+[features]
+default = ["postgres", "mysql", "sqlite"]
+postgres = ["dep:tokio-postgres"]
+mysql = ["dep:mysql_async"]
+sqlite = ["dep:rusqlite"]
+
 [dependencies]
 clap = { version = "4", features = ["derive"] }
 tokio = { version = "1", features = ["rt-multi-thread", "macros"] }
-tokio-postgres = "0.7"
+tokio-postgres = { version = "0.7", optional = true }
+mysql_async = { version = "0.34", optional = true }
+rusqlite = { version = "0.31", features = ["bundled"], optional = true }
 colored = "3"
 regex = "1"
 serde = { version = "1", features = ["derive"] }
diff --git a/README.md b/README.md
index dec6c6d..f882402 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,18 @@ dbdiff postgres://user:pass@prod-host/myapp --schema ./schema.sql
 
 Useful during code review — verify that a migration file actually matches what's in production.
 
+### Compare MySQL databases
+
+```bash
+dbdiff mysql://user:pass@prod-host/myapp mysql://user:pass@staging-host/myapp
+```
+
+### Compare a SQLite database against a schema file
+
+```bash
+dbdiff myapp.db --schema ./schema.sql
+```
+
 ### Save the generated migration to a file
 
 ```bash
@@ -98,6 +110,12 @@ dbdiff postgres://prod/myapp postgres://staging/myapp --ci
 
 Returns exit code `0` if schemas match, `1` if they differ. Use this in GitHub Actions, GitLab CI, or any pipeline.
 
+### Use a custom config file
+
+```bash
+dbdiff postgres://prod/myapp postgres://staging/myapp --config ./my-config.yml
+```
+
 ### JSON output for custom tooling
 
 ```bash
@@ -184,8 +202,24 @@ output:
 | Database        | Status     | Version |
 |-----------------|-----------|---------|
 | PostgreSQL      | ✅ stable  | 12+     |
-| MySQL / MariaDB | 🚧 v0.2    | 8.0+    |
-| SQLite          | 🗓 v0.3    | 3.x     |
+| MySQL / MariaDB | ✅ stable  | 8.0+    |
+| SQLite          | ✅ stable  | 3.x     |
+
+---
+
+## Feature flags
+
+Database backends are optional and can be toggled via Cargo features:
+
+```bash
+# Install with only PostgreSQL support
+cargo install dbdiff --no-default-features --features postgres
+
+# Install with PostgreSQL and SQLite only
+cargo install dbdiff --no-default-features --features postgres,sqlite
+```
+
+All backends (`postgres`, `mysql`, `sqlite`) are enabled by default.
 
 ---
 
@@ -219,13 +253,19 @@ src/
   diff.rs          Schema comparison engine
   migration.rs     SQL migration generator
   output.rs        Terminal rendering (colored diff)
+  config/
+    mod.rs         Config file parsing (.dbdiff.yml)
+    filter.rs      Schema filtering (ignore tables/columns)
   loader/
     mod.rs         Source dispatch logic
     postgres.rs    PostgreSQL introspection
+    mysql.rs       MySQL / MariaDB introspection
+    sqlite.rs      SQLite introspection
     sqlfile.rs     .sql file parser
 tests/
   cli.rs           Integration tests
-  fixtures/        SQL test schemas
+  config.rs        Config integration tests
+  fixtures/        SQL test schemas + config fixtures
 ```
 
 ---
diff --git a/src/cli.rs b/src/cli.rs
index 53ea931..321da98 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -32,9 +32,13 @@ pub struct Args {
     #[arg(long)]
     pub dry_run: bool,
 
-    /// Output format
-    #[arg(long, value_enum, default_value = "pretty")]
-    pub format: OutputFormat,
+    /// Output format (overrides config file setting)
+    #[arg(long, value_enum)]
+    pub format: Option<OutputFormat>,
+
+    /// Path to config file
+    #[arg(long, value_name = "FILE", default_value = ".dbdiff.yml")]
+    pub config: String,
 }
 
 #[derive(Debug, Clone, clap::ValueEnum)]
@@ -55,4 +59,20 @@ impl Args {
             Err("Either a target DSN or --schema <file> is required")
         }
     }
+
+    /// Resolve the output format: CLI flag > config file > default (pretty).
+    pub fn resolve_format(&self, config_format: &Option<String>) -> OutputFormat {
+        if let Some(ref fmt) = self.format {
+            return fmt.clone();
+        }
+        if let Some(ref fmt) = config_format {
+            match fmt.to_lowercase().as_str() {
+                "json" => OutputFormat::Json,
+                "sql" => OutputFormat::Sql,
+                _ => OutputFormat::Pretty,
+            }
+        } else {
+            OutputFormat::Pretty
+        }
+    }
 }
diff --git a/src/config/filter.rs b/src/config/filter.rs
new file mode 100644
index 0000000..0d25e07
--- /dev/null
+++ b/src/config/filter.rs
@@ -0,0 +1,236 @@
+use crate::config::IgnoreConfig;
+use crate::model::Schema;
+
+/// Remove ignored tables and columns from a schema based on ignore rules.
+pub fn apply_ignore(schema: &mut Schema, ignore: &IgnoreConfig) {
+    // Remove ignored tables
+    for table_name in &ignore.tables {
+        schema.tables.remove(table_name);
+    }
+
+    // Remove ignored columns
+    if !ignore.columns.is_empty() {
+        let table_names: Vec<String> = schema.tables.keys().cloned().collect();
+        for table_name in &table_names {
+            let table = schema.tables.get_mut(table_name).unwrap();
+            let col_names: Vec<String> = table.columns.keys().cloned().collect();
+            let mut removed_columns: Vec<String> = Vec::new();
+
+            for col_name in &col_names {
+                if ignore
+                    .columns
+                    .iter()
+                    .any(|pattern| matches_column_pattern(table_name, col_name, pattern))
+                {
+                    table.columns.remove(col_name);
+                    removed_columns.push(col_name.clone());
+                }
+            }
+
+            if !removed_columns.is_empty() {
+                table.indexes.retain(|_, index| {
+                    !index
+                        .columns
+                        .iter()
+                        .any(|index_col| removed_columns.iter().any(|removed| removed == index_col))
+                });
+            }
+        }
+    }
+}
+
+/// Match a column against a pattern.
+///
+/// Supported patterns:
+/// - `*.column_name` — matches column in all tables
+/// - `table_name.*` — matches all columns in a specific table
+/// - `table_name.column_name` — matches exact table.column pair
+fn matches_column_pattern(table: &str, column: &str, pattern: &str) -> bool {
+    let Some((pat_table, pat_column)) = pattern.split_once('.') else {
+        return false;
+    };
+
+    let table_matches = pat_table == "*" || pat_table == table;
+    let column_matches = pat_column == "*" || pat_column == column;
+
+    table_matches && column_matches
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::model::{Column, Index, Table};
+
+    fn make_column(name: &str) -> Column {
+        Column {
+            name: name.to_string(),
+            data_type: "text".to_string(),
+            is_nullable: true,
+            default: None,
+        }
+    }
+
+    fn make_index(table: &str, name: &str, columns: Vec<&str>) -> Index {
+        Index {
+            name: name.to_string(),
+            table_name: table.to_string(),
+            columns: columns
+                .into_iter()
+                .map(std::string::ToString::to_string)
+                .collect(),
+            is_unique: false,
+        }
+    }
+
+    #[test]
+    fn wildcard_column_matches_all_tables() {
+        assert!(matches_column_pattern(
+            "users",
+            "created_at",
+            "*.created_at"
+        ));
+        assert!(matches_column_pattern(
+            "orders",
+            "created_at",
+            "*.created_at"
+        ));
+        assert!(!matches_column_pattern("users", "email", "*.created_at"));
+    }
+
+    #[test]
+    fn wildcard_table_matches_all_columns() {
+        assert!(matches_column_pattern("sessions", "token", "sessions.*"));
+        assert!(matches_column_pattern(
+            "sessions",
+            "expires_at",
+            "sessions.*"
+        ));
+        assert!(!matches_column_pattern("users", "email", "sessions.*"));
+    }
+
+    #[test]
+    fn exact_match() {
+        assert!(matches_column_pattern(
+            "users",
+            "password_hash",
+            "users.password_hash"
+        ));
+        assert!(!matches_column_pattern(
+            "orders",
+            "password_hash",
+            "users.password_hash"
+        ));
+    }
+
+    #[test]
+    fn invalid_pattern_no_dot() {
+        assert!(!matches_column_pattern("users", "email", "no_dot_pattern"));
+    }
+
+    #[test]
+    fn apply_ignore_removes_tables() {
+        let mut schema = Schema::new();
+        let mut t = Table::new("users");
+        t.columns.insert("id".into(), make_column("id"));
+        schema.tables.insert("users".into(), t);
+
+        let mut t = Table::new("_migrations");
+        t.columns.insert("id".into(), make_column("id"));
+        schema.tables.insert("_migrations".into(), t);
+
+        let ignore = IgnoreConfig {
+            tables: vec!["_migrations".into()],
+            columns: vec![],
+        };
+
+        apply_ignore(&mut schema, &ignore);
+        assert_eq!(schema.tables.len(), 1);
+        assert!(schema.tables.contains_key("users"));
+        assert!(!schema.tables.contains_key("_migrations"));
+    }
+
+    #[test]
+    fn apply_ignore_removes_columns() {
+        let mut schema = Schema::new();
+        let mut t = Table::new("users");
+        t.columns.insert("id".into(), make_column("id"));
+        t.columns
+            .insert("created_at".into(), make_column("created_at"));
+        t.columns.insert("email".into(), make_column("email"));
+        schema.tables.insert("users".into(), t);
+
+        let mut t = Table::new("orders");
+        t.columns.insert("id".into(), make_column("id"));
+        t.columns
+            .insert("created_at".into(), make_column("created_at"));
+        schema.tables.insert("orders".into(), t);
+
+        let ignore = IgnoreConfig {
+            tables: vec![],
+            columns: vec!["*.created_at".into()],
+        };
+
+        apply_ignore(&mut schema, &ignore);
+        assert_eq!(schema.tables["users"].columns.len(), 2); // id, email
+        assert!(!schema.tables["users"].columns.contains_key("created_at"));
+        assert_eq!(schema.tables["orders"].columns.len(), 1); // id
+        assert!(!schema.tables["orders"].columns.contains_key("created_at"));
+    }
+
+    #[test]
+    fn apply_ignore_table_wildcard_removes_all_columns() {
+        let mut schema = Schema::new();
+        let mut t = Table::new("sessions");
+        t.columns.insert("id".into(), make_column("id"));
+        t.columns.insert("token".into(), make_column("token"));
+        schema.tables.insert("sessions".into(), t);
+
+        let ignore = IgnoreConfig {
+            tables: vec![],
+            columns: vec!["sessions.*".into()],
+        };
+
+        apply_ignore(&mut schema, &ignore);
+        assert!(schema.tables["sessions"].columns.is_empty());
+    }
+
+    #[test]
+    fn apply_ignore_removes_indexes_on_ignored_columns() {
+        let mut schema = Schema::new();
+        let mut t = Table::new("users");
+        t.columns.insert("id".into(), make_column("id"));
+        t.columns.insert("email".into(), make_column("email"));
+        t.columns
+            .insert("created_at".into(), make_column("created_at"));
+        t.indexes.insert(
+            "idx_users_email".into(),
+            make_index("users", "idx_users_email", vec!["email"]),
+        );
+        t.indexes.insert(
+            "idx_users_created_at".into(),
+            make_index("users", "idx_users_created_at", vec!["created_at"]),
+        );
+        t.indexes.insert(
+            "idx_users_email_created_at".into(),
+            make_index(
+                "users",
+                "idx_users_email_created_at",
+                vec!["email", "created_at"],
+            ),
+        );
+        schema.tables.insert("users".into(), t);
+
+        let ignore = IgnoreConfig {
+            tables: vec![],
+            columns: vec!["*.created_at".into()],
+        };
+
+        apply_ignore(&mut schema, &ignore);
+
+        let users = &schema.tables["users"];
+        assert!(!users.columns.contains_key("created_at"));
+        assert!(users.indexes.contains_key("idx_users_email"));
+        assert!(!users.indexes.contains_key("idx_users_created_at"));
+        assert!(!users.indexes.contains_key("idx_users_email_created_at"));
+    }
+}
diff --git a/src/config/mod.rs b/src/config/mod.rs
new file mode 100644
index 0000000..ba1d817
--- /dev/null
+++ b/src/config/mod.rs
@@ -0,0 +1,111 @@
+pub mod filter;
+
+use std::path::Path;
+
+use serde::Deserialize;
+
+use crate::error::DbDiffError;
+
+/// Top-level configuration loaded from `.dbdiff.yml`.
+#[derive(Debug, Clone, Default, Deserialize)]
+#[serde(default)]
+pub struct Config {
+    pub ignore: IgnoreConfig,
+    pub output: OutputConfig,
+}
+
+/// Rules for ignoring tables and columns during comparison.
+#[derive(Debug, Clone, Default, Deserialize)]
+#[serde(default)]
+pub struct IgnoreConfig {
+    /// Exact table names to ignore (e.g. `_migrations`, `schema_version`).
+    pub tables: Vec<String>,
+    /// Column patterns to ignore:
+    /// - `*.column_name` — ignore column in all tables
+    /// - `table_name.*` — ignore all columns in a specific table
+    /// - `table_name.column_name` — ignore exact table.column pair
+    pub columns: Vec<String>,
+}
+
+/// Default output settings (CLI args override these).
+#[derive(Debug, Clone, Default, Deserialize)]
+#[serde(default)]
+pub struct OutputConfig {
+    /// Output format: `pretty`, `json`, or `sql`.
+    pub format: Option<String>,
+    /// Whether to use colored output.
+    pub color: Option<bool>,
+}
+
+/// Load configuration from a YAML file.
+///
+/// Returns `Config::default()` if the file does not exist.
+/// Returns an error only if the file exists but cannot be parsed.
+pub fn load_config(path: &str) -> Result<Config, DbDiffError> {
+    let path = Path::new(path);
+
+    if !path.exists() {
+        return Ok(Config::default());
+    }
+
+    let contents = std::fs::read_to_string(path)?;
+    let config: Config = serde_yaml::from_str(&contents)
+        .map_err(|e| DbDiffError::InvalidArg(format!("Failed to parse config file: {e}")))?;
+
+    Ok(config)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn parse_full_config() {
+        let yaml = r#"
+ignore:
+  tables:
+    - _migrations
+    - schema_version
+  columns:
+    - "*.created_at"
+    - "sessions.*"
+output:
+  format: json
+  color: false
+"#;
+        let config: Config = serde_yaml::from_str(yaml).unwrap();
+        assert_eq!(config.ignore.tables, vec!["_migrations", "schema_version"]);
+        assert_eq!(config.ignore.columns, vec!["*.created_at", "sessions.*"]);
+        assert_eq!(config.output.format.as_deref(), Some("json"));
+        assert_eq!(config.output.color, Some(false));
+    }
+
+    #[test]
+    fn parse_empty_config() {
+        let yaml = "";
+        let config: Config = serde_yaml::from_str(yaml).unwrap();
+        assert!(config.ignore.tables.is_empty());
+        assert!(config.ignore.columns.is_empty());
+        assert_eq!(config.output.format, None);
+        assert_eq!(config.output.color, None);
+    }
+
+    #[test]
+    fn parse_partial_config() {
+        let yaml = r#"
+ignore:
+  tables:
+    - _migrations
+"#;
+        let config: Config = serde_yaml::from_str(yaml).unwrap();
+        assert_eq!(config.ignore.tables, vec!["_migrations"]);
+        assert!(config.ignore.columns.is_empty());
+        assert_eq!(config.output.format, None);
+    }
+
+    #[test]
+    fn missing_file_returns_default() {
+        let config = load_config("/nonexistent/path/.dbdiff.yml").unwrap();
+        assert!(config.ignore.tables.is_empty());
+    }
+}
diff --git a/src/error.rs b/src/error.rs
index 95174b5..4afd0bf 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -3,7 +3,12 @@ use std::fmt;
 /// All error types that can occur in dbdiff.
 #[derive(Debug)]
 pub enum DbDiffError {
+    #[cfg(feature = "postgres")]
     Postgres(tokio_postgres::Error),
+    #[cfg(feature = "mysql")]
+    MySQL(mysql_async::Error),
+    #[cfg(feature = "sqlite")]
+    Sqlite(rusqlite::Error),
     Io(std::io::Error),
     SqlParse(String),
     InvalidArg(String),
@@ -12,7 +17,12 @@ pub enum DbDiffError {
 impl fmt::Display for DbDiffError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
+            #[cfg(feature = "postgres")]
             Self::Postgres(e) => write!(f, "PostgreSQL error: {e}"),
+            #[cfg(feature = "mysql")]
+            Self::MySQL(e) => write!(f, "MySQL error: {e}"),
+            #[cfg(feature = "sqlite")]
+            Self::Sqlite(e) => write!(f, "SQLite error: {e}"),
             Self::Io(e) => write!(f, "I/O error: {e}"),
             Self::SqlParse(msg) => write!(f, "SQL parse error: {msg}"),
             Self::InvalidArg(msg) => write!(f, "Invalid argument: {msg}"),
@@ -23,19 +33,39 @@ impl fmt::Display for DbDiffError {
 impl std::error::Error for DbDiffError {
     fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
         match self {
+            #[cfg(feature = "postgres")]
             Self::Postgres(e) => Some(e),
+            #[cfg(feature = "mysql")]
+            Self::MySQL(e) => Some(e),
+            #[cfg(feature = "sqlite")]
+            Self::Sqlite(e) => Some(e),
             Self::Io(e) => Some(e),
             Self::SqlParse(_) | Self::InvalidArg(_) => None,
         }
     }
 }
 
+#[cfg(feature = "postgres")]
 impl From<tokio_postgres::Error> for DbDiffError {
     fn from(e: tokio_postgres::Error) -> Self {
         Self::Postgres(e)
     }
 }
 
+#[cfg(feature = "mysql")]
+impl From<mysql_async::Error> for DbDiffError {
+    fn from(e: mysql_async::Error) -> Self {
+        Self::MySQL(e)
+    }
+}
+
+#[cfg(feature = "sqlite")]
+impl From<rusqlite::Error> for DbDiffError {
+    fn from(e: rusqlite::Error) -> Self {
+        Self::Sqlite(e)
+    }
+}
+
 impl From<std::io::Error> for DbDiffError {
     fn from(e: std::io::Error) -> Self {
         Self::Io(e)
diff --git a/src/lib.rs b/src/lib.rs
index bb6ec12..9e2fb28 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,5 @@
 pub mod cli;
+pub mod config;
 pub mod diff;
 pub mod error;
 pub mod loader;
diff --git a/src/loader/mod.rs b/src/loader/mod.rs
index 001f204..358fc77 100644
--- a/src/loader/mod.rs
+++ b/src/loader/mod.rs
@@ -1,23 +1,81 @@
+#[cfg(feature = "mysql")]
+pub mod mysql;
+#[cfg(feature = "postgres")]
 pub mod postgres;
 pub mod sqlfile;
+#[cfg(feature = "sqlite")]
+pub mod sqlite;
 
 use crate::error::DbDiffError;
 use crate::model::Schema;
 
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum SqlDialect {
+    Postgres,
+    MySql,
+    Sqlite,
+    SqlFile,
+}
+
+#[derive(Debug, Clone)]
+pub struct LoadedSchema {
+    pub schema: Schema,
+    pub dialect: SqlDialect,
+}
+
 /// Load a schema from a source string.
 ///
 /// Dispatches to the appropriate loader based on the source format:
 /// - `postgres://...` or `postgresql://...` → live PostgreSQL connection
-/// - File path ending in `.sql` or existing file → SQL file parser
-pub async fn load_schema(source: &str) -> Result<Schema, DbDiffError> {
+/// - `mysql://...` or `mariadb://...` → live MySQL/MariaDB connection
+/// - `.db`, `.sqlite`, `.sqlite3`, or `sqlite://...` → SQLite database file
+/// - `.sql` file path → SQL file parser
+pub async fn load_schema(source: &str) -> Result<LoadedSchema, DbDiffError> {
+    #[cfg(feature = "postgres")]
     if source.starts_with("postgres://") || source.starts_with("postgresql://") {
-        postgres::load(source).await
-    } else if source.ends_with(".sql") || std::path::Path::new(source).exists() {
-        sqlfile::load_file(source)
-    } else {
-        Err(DbDiffError::InvalidArg(format!(
-            "Cannot determine source type for '{source}'. \
-             Expected a PostgreSQL DSN (postgres://...) or a .sql file path."
-        )))
+        return postgres::load(source).await.map(|schema| LoadedSchema {
+            schema,
+            dialect: SqlDialect::Postgres,
+        });
     }
+
+    #[cfg(feature = "mysql")]
+    if source.starts_with("mysql://") || source.starts_with("mariadb://") {
+        return mysql::load(source).await.map(|schema| LoadedSchema {
+            schema,
+            dialect: SqlDialect::MySql,
+        });
+    }
+
+    #[cfg(feature = "sqlite")]
+    if is_sqlite_source(source) {
+        let source = source.to_string();
+        let schema = tokio::task::spawn_blocking(move || sqlite::load(&source))
+            .await
+            .map_err(|e| DbDiffError::InvalidArg(e.to_string()))?;
+        return Ok(LoadedSchema {
+            schema,
+            dialect: SqlDialect::Sqlite,
+        });
+    }
+
+    if source.ends_with(".sql") || std::path::Path::new(source).exists() {
+        return sqlfile::load_file(source).map(|schema| LoadedSchema {
+            schema,
+            dialect: SqlDialect::SqlFile,
+        });
+    }
+
+    Err(DbDiffError::InvalidArg(format!(
+        "Cannot determine source type for '{source}'. \
+         Expected a database DSN (postgres://, mysql://, sqlite://) or a .sql file path."
+    )))
+}
+
+#[cfg(feature = "sqlite")]
+fn is_sqlite_source(source: &str) -> bool {
+    source.starts_with("sqlite://")
+        || source.ends_with(".db")
+        || source.ends_with(".sqlite")
+        || source.ends_with(".sqlite3")
 }
diff --git a/src/loader/mysql.rs b/src/loader/mysql.rs
new file mode 100644
index 0000000..8ffe253
--- /dev/null
+++ b/src/loader/mysql.rs
@@ -0,0 +1,196 @@
+use mysql_async::prelude::*;
+use mysql_async::{Opts, OptsBuilder};
+use std::collections::BTreeMap;
+
+use crate::error::DbDiffError;
+use crate::model::{Column, Index, Schema, Table};
+
+/// Load a schema from a live MySQL/MariaDB database via DSN.
+pub async fn load(dsn: &str) -> Result<Schema, DbDiffError> {
+    let opts = Opts::from_url(dsn)
+        .map_err(|e| DbDiffError::InvalidArg(format!("Invalid MySQL DSN: {e}")))?;
+    let db_name = opts
+        .db_name()
+        .ok_or_else(|| DbDiffError::InvalidArg("MySQL DSN must include a database name".into()))?
+        .to_string();
+
+    let pool = mysql_async::Pool::new(OptsBuilder::from_opts(opts.clone()));
+    let mut conn = pool.get_conn().await?;
+
+    let mut schema = Schema::new();
+
+    // Load columns from information_schema
+    let rows: Vec<(String, String, String, String, Option<String>)> = conn
+        .exec(
+            "SELECT table_name, column_name, column_type, is_nullable, column_default \
+             FROM information_schema.columns \
+             WHERE table_schema = :db \
+               AND table_name IN ( \
+                 SELECT table_name \
+                 FROM information_schema.tables \
+                 WHERE table_schema = :db \
+                   AND table_type = 'BASE TABLE' \
+               ) \
+             ORDER BY table_name, ordinal_position",
+            mysql_async::params! { "db" => &db_name },
+        )
+        .await?;
+
+    for (table_name, column_name, column_type, is_nullable, column_default) in &rows {
+        let column = Column {
+            name: column_name.clone(),
+            data_type: normalize_type(column_type),
+            is_nullable: is_nullable == "YES",
+            default: column_default.as_ref().map(|d| normalize_default(d)),
+        };
+
+        schema
+            .tables
+            .entry(table_name.clone())
+            .or_insert_with(|| Table::new(table_name))
+            .columns
+            .insert(column_name.clone(), column);
+    }
+
+    // Load indexes from information_schema.statistics
+    let idx_rows: Vec<(String, String, Option<String>, i64)> = conn
+        .exec(
+            "SELECT table_name, index_name, column_name, non_unique \
+             FROM information_schema.statistics \
+             WHERE table_schema = :db \
+               AND index_name != 'PRIMARY' \
+               AND table_name IN ( \
+                 SELECT table_name \
+                 FROM information_schema.tables \
+                 WHERE table_schema = :db \
+                   AND table_type = 'BASE TABLE' \
+               ) \
+             ORDER BY table_name, index_name, seq_in_index",
+            mysql_async::params! { "db" => &db_name },
+        )
+        .await?;
+
+    let index_map = group_index_rows(&idx_rows);
+    for ((table_name, index_name), (columns, is_unique)) in index_map {
+        if columns.is_empty() {
+            // Functional indexes can have NULL `column_name` in information_schema.statistics.
+            // Skip for now to avoid creating malformed empty-column indexes in downstream SQL.
+            continue;
+        }
+
+        let index = Index {
+            name: index_name.clone(),
+            table_name: table_name.clone(),
+            columns,
+            is_unique,
+        };
+
+        if let Some(table) = schema.tables.get_mut(&table_name) {
+            table.indexes.insert(index_name, index);
+        }
+    }
+
+    pool.disconnect().await?;
+    Ok(schema)
+}
+
+fn group_index_rows(
+    idx_rows: &[(String, String, Option<String>, i64)],
+) -> BTreeMap<(String, String), (Vec<String>, bool)> {
+    let mut index_map: BTreeMap<(String, String), (Vec<String>, bool)> = BTreeMap::new();
+
+    for (table_name, index_name, column_name, non_unique) in idx_rows {
+        let entry = index_map
+            .entry((table_name.clone(), index_name.clone()))
+            .or_insert_with(|| (Vec::new(), *non_unique == 0));
+        if let Some(column_name) = column_name {
+            entry.0.push(column_name.clone());
+        }
+    }
+
+    index_map
+}
+
+/// Normalize MySQL column types.
+///
+/// MySQL returns types like `int(11)`, `bigint(20)` — strip display widths from integer types
+/// since they don't affect storage. Keep lengths for varchar, char, decimal, etc.
+fn normalize_type(column_type: &str) -> String {
+    let lower = column_type.to_lowercase();
+
+    // Strip display width from integer types: int(11) -> int, bigint(20) -> bigint
+    if let Some(base) = lower.strip_suffix(")") {
+        if let Some(paren_pos) = base.rfind('(') {
+            let type_name = &base[..paren_pos];
+            match type_name {
+                "tinyint" | "smallint" | "mediumint" | "int" | "bigint" => {
+                    return type_name.to_string();
+                }
+                _ => {}
+            }
+        }
+    }
+
+    // Handle unsigned variants: int(11) unsigned -> int unsigned
+    if lower.contains(" unsigned") {
+        let without_unsigned = lower.replace(" unsigned", "");
+        let normalized = normalize_type(&without_unsigned);
+        return format!("{normalized} unsigned");
+    }
+
+    lower
+}
+
+/// Clean up MySQL default values.
+fn normalize_default(default: &str) -> String {
+    // Preserve literal text exactly so downstream SQL rendering keeps valid quoting.
+    default.to_string()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_normalize_type() {
+        assert_eq!(normalize_type("int(11)"), "int");
+        assert_eq!(normalize_type("bigint(20)"), "bigint");
+        assert_eq!(normalize_type("tinyint(1)"), "tinyint");
+        assert_eq!(normalize_type("varchar(255)"), "varchar(255)");
+        assert_eq!(normalize_type("decimal(10,2)"), "decimal(10,2)");
+        assert_eq!(normalize_type("text"), "text");
+        assert_eq!(normalize_type("int(11) unsigned"), "int unsigned");
+    }
+
+    #[test]
+    fn test_normalize_default() {
+        assert_eq!(normalize_default("0"), "0");
+        assert_eq!(normalize_default("'hello'"), "'hello'");
+        assert_eq!(normalize_default("CURRENT_TIMESTAMP"), "CURRENT_TIMESTAMP");
+        assert_eq!(normalize_default("NULL"), "NULL");
+    }
+
+    #[test]
+    fn test_group_index_rows_handles_null_column_names() {
+        let rows = vec![
+            (
+                "users".to_string(),
+                "idx_users_email".to_string(),
+                Some("email".to_string()),
+                0,
+            ),
+            ("users".to_string(), "idx_users_func".to_string(), None, 1),
+        ];
+
+        let grouped = group_index_rows(&rows);
+
+        assert_eq!(
+            grouped.get(&(String::from("users"), String::from("idx_users_email"))),
+            Some(&(vec![String::from("email")], true))
+        );
+        assert_eq!(
+            grouped.get(&(String::from("users"), String::from("idx_users_func"))),
+            Some(&(Vec::new(), false))
+        );
+    }
+}
diff --git a/src/loader/sqlite.rs b/src/loader/sqlite.rs
new file mode 100644
index 0000000..0e9fc98
--- /dev/null
+++ b/src/loader/sqlite.rs
@@ -0,0 +1,294 @@
+use rusqlite::Connection;
+use std::path::Path;
+
+use crate::error::DbDiffError;
+use crate::model::{Column, Index, Schema, Table};
+
+/// Load a schema from a SQLite database file.
+///
+/// Accepts paths like `mydb.db`, `mydb.sqlite`, `mydb.sqlite3`, or `sqlite://path`.
+/// This is a synchronous function — call via `spawn_blocking` from async contexts.
+pub fn load(source: &str) -> Result<Schema, DbDiffError> {
+    let path = source.strip_prefix("sqlite://").unwrap_or(source);
+    if !Path::new(path).exists() {
+        return Err(DbDiffError::InvalidArg(format!(
+            "SQLite source file does not exist: {path}"
+        )));
+    }
+    let conn = Connection::open(path)?;
+
+    let mut schema = Schema::new();
+
+    // Get all user tables (skip internal sqlite_ tables)
+    let table_names = get_table_names(&conn)?;
+
+    for table_name in &table_names {
+        let mut table = Table::new(table_name);
+
+        load_columns(&conn, table_name, &mut table)?;
+        load_indexes(&conn, table_name, &mut table)?;
+
+        schema.tables.insert(table_name.clone(), table);
+    }
+
+    Ok(schema)
+}
+
+fn get_table_names(conn: &Connection) -> Result<Vec<String>, DbDiffError> {
+    let mut stmt = conn.prepare(
+        "SELECT name FROM sqlite_master \
+         WHERE type = 'table' AND name NOT LIKE 'sqlite_%' \
+         ORDER BY name",
+    )?;
+
+    let names = stmt
+        .query_map([], |row| row.get(0))?
+        .collect::<Result<Vec<String>, _>>()?;
+
+    Ok(names)
+}
+
+fn load_columns(conn: &Connection, table_name: &str, table: &mut Table) -> Result<(), DbDiffError> {
+    // PRAGMA table_info returns: cid, name, type, notnull, dflt_value, pk
+    let mut stmt = conn.prepare(&format!("PRAGMA table_info(\"{}\")", table_name))?;
+
+    let columns = stmt.query_map([], |row| {
+        let name: String = row.get(1)?;
+        let data_type: String = row.get(2)?;
+        let notnull: bool = row.get(3)?;
+        let dflt_value: Option<String> = row.get(4)?;
+
+        Ok(Column {
+            name,
+            data_type: normalize_type(&data_type),
+            is_nullable: !notnull,
+            default: dflt_value.map(|d| normalize_default(&d)),
+        })
+    })?;
+
+    for col in columns {
+        let col = col?;
+        table.columns.insert(col.name.clone(), col);
+    }
+
+    Ok(())
+}
+
+fn load_indexes(conn: &Connection, table_name: &str, table: &mut Table) -> Result<(), DbDiffError> {
+    // PRAGMA index_list returns: seq, name, unique, origin, partial
+    let mut stmt = conn.prepare(&format!("PRAGMA index_list(\"{}\")", table_name))?;
+
+    let indexes: Vec<(String, bool, String)> = stmt
+        .query_map([], |row| {
+            let name: String = row.get(1)?;
+            let is_unique: bool = row.get(2)?;
+            let origin: String = row.get(3)?;
+            Ok((name, is_unique, origin))
+        })?
+        .collect::<Result<_, _>>()?;
+
+    for (index_name, is_unique, origin) in indexes {
+        // Skip auto-generated indexes for PRIMARY KEY / UNIQUE constraints.
+        // SQLite marks these with origin:
+        // - "pk": PRIMARY KEY
+        // - "u": UNIQUE constraint
+        // These are internal implementation details (often sqlite_autoindex_*),
+        // not user-managed indexes we should diff/migrate directly.
+        if matches!(origin.as_str(), "pk" | "u") {
+            continue;
+        }
+
+        // PRAGMA index_info returns: seqno, cid, name
+        // For expression indexes, name is NULL — skip those columns
+        let mut col_stmt = conn.prepare(&format!("PRAGMA index_info(\"{}\")", index_name))?;
+        let columns: Vec<String> = col_stmt
+            .query_map([], |row| row.get::<_, Option<String>>(2))?
+            .filter_map(|r| r.ok().flatten())
+            .collect();
+
+        if columns.is_empty() {
+            // Expression indexes report NULL column names via PRAGMA index_info.
+            // Skip these until expression terms are represented explicitly.
+            continue;
+        }
+
+        let index = Index {
+            name: index_name.clone(),
+            table_name: table_name.to_string(),
+            columns,
+            is_unique,
+        };
+
+        table.indexes.insert(index_name, index);
+    }
+
+    Ok(())
+}
+
+/// Normalize SQLite type names.
+///
+/// SQLite has flexible typing. We normalize common aliases to canonical forms.
+fn normalize_type(sqlite_type: &str) -> String {
+    let upper = sqlite_type.trim().to_uppercase();
+
+    match upper.as_str() {
+        "INT" | "INTEGER" => "integer".to_string(),
+        "TEXT" | "CLOB" => "text".to_string(),
+        "REAL" | "DOUBLE" | "DOUBLE PRECISION" | "FLOAT" => "real".to_string(),
+        "BLOB" => "blob".to_string(),
+        "BOOLEAN" | "BOOL" => "bool".to_string(),
+        "DATETIME" | "TIMESTAMP" => "datetime".to_string(),
+        "" => "blob".to_string(), // untyped columns default to blob affinity
+        _ => {
+            // Handle types with length: VARCHAR(255) -> varchar(255)
+            sqlite_type.to_lowercase()
+        }
+    }
+}
+
+/// Clean up SQLite default values.
+fn normalize_default(default: &str) -> String {
+    // Preserve literal text exactly so downstream SQL rendering keeps valid quoting.
+    default.to_string()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_normalize_type() {
+        assert_eq!(normalize_type("INTEGER"), "integer");
+        assert_eq!(normalize_type("INT"), "integer");
+        assert_eq!(normalize_type("TEXT"), "text");
+        assert_eq!(normalize_type("REAL"), "real");
+        assert_eq!(normalize_type("BLOB"), "blob");
+        assert_eq!(normalize_type("BOOLEAN"), "bool");
+        assert_eq!(normalize_type("DATETIME"), "datetime");
+        assert_eq!(normalize_type("VARCHAR(255)"), "varchar(255)");
+        assert_eq!(normalize_type(""), "blob");
+    }
+
+    #[test]
+    fn test_normalize_default() {
+        assert_eq!(normalize_default("0"), "0");
+        assert_eq!(normalize_default("'hello'"), "'hello'");
+        assert_eq!(normalize_default("NULL"), "NULL");
+        assert_eq!(normalize_default("CURRENT_TIMESTAMP"), "CURRENT_TIMESTAMP");
+    }
+
+    #[test]
+    fn load_fails_when_sqlite_file_is_missing() {
+        let missing_path = format!(
+            "/tmp/dbdiff-missing-{}-{}.sqlite",
+            std::process::id(),
+            std::time::SystemTime::now()
+                .duration_since(std::time::UNIX_EPOCH)
+                .unwrap()
+                .as_nanos()
+        );
+
+        let err = load(&missing_path).unwrap_err();
+        match err {
+            DbDiffError::InvalidArg(msg) => {
+                assert!(msg.contains("does not exist"));
+                assert!(msg.contains(&missing_path));
+            }
+            other => panic!("expected InvalidArg, got {other:?}"),
+        }
+    }
+
+    #[test]
+    fn load_sqlite_schema() {
+        let conn = Connection::open_in_memory().unwrap();
+        conn.execute_batch(
+            "CREATE TABLE users (
+                id INTEGER PRIMARY KEY NOT NULL,
+                email TEXT NOT NULL,
+                name VARCHAR(100),
+                active BOOLEAN DEFAULT 1
+            );
+            CREATE INDEX idx_users_email ON users(email);
+            CREATE TABLE orders (
+                id INTEGER PRIMARY KEY NOT NULL,
+                user_id INTEGER NOT NULL,
+                total REAL NOT NULL DEFAULT 0.0
+            );
+            CREATE INDEX idx_orders_user_id ON orders(user_id);",
+        )
+        .unwrap();
+
+        // Use the internal functions to test
+        let mut schema = Schema::new();
+        let table_names = get_table_names(&conn).unwrap();
+        assert_eq!(table_names, vec!["orders", "users"]);
+
+        for name in &table_names {
+            let mut table = Table::new(name);
+            load_columns(&conn, name, &mut table).unwrap();
+            load_indexes(&conn, name, &mut table).unwrap();
+            schema.tables.insert(name.clone(), table);
+        }
+
+        // Verify users table
+        let users = &schema.tables["users"];
+        assert_eq!(users.columns.len(), 4);
+        assert_eq!(users.columns["id"].data_type, "integer");
+        assert!(!users.columns["id"].is_nullable);
+        assert_eq!(users.columns["email"].data_type, "text");
+        assert_eq!(users.columns["name"].data_type, "varchar(100)");
+        assert_eq!(users.columns["active"].data_type, "bool");
+        assert_eq!(users.columns["active"].default.as_deref(), Some("1"));
+        assert_eq!(users.indexes.len(), 1);
+        assert!(users.indexes.contains_key("idx_users_email"));
+        assert_eq!(users.indexes["idx_users_email"].columns, vec!["email"]);
+
+        // Verify orders table
+        let orders = &schema.tables["orders"];
+        assert_eq!(orders.columns.len(), 3);
+        assert_eq!(orders.indexes.len(), 1);
+        assert!(orders.indexes.contains_key("idx_orders_user_id"));
+    }
+
+    #[test]
+    fn expression_indexes_are_skipped() {
+        let conn = Connection::open_in_memory().unwrap();
+        conn.execute_batch(
+            "CREATE TABLE items (
+                id INTEGER PRIMARY KEY NOT NULL,
+                name TEXT NOT NULL
+            );
+            CREATE INDEX idx_items_lower_name ON items(lower(name));",
+        )
+        .unwrap();
+
+        let mut table = Table::new("items");
+        load_indexes(&conn, "items", &mut table).unwrap();
+
+        // Expression index is skipped to avoid producing empty-column SQL definitions.
+        assert!(!table.indexes.contains_key("idx_items_lower_name"));
+    }
+
+    #[test]
+    fn unique_constraint_autoindexes_are_skipped() {
+        let conn = Connection::open_in_memory().unwrap();
+        conn.execute_batch(
+            "CREATE TABLE users (
+                id INTEGER PRIMARY KEY NOT NULL,
+                email TEXT NOT NULL UNIQUE
+            );
+            CREATE INDEX idx_users_email ON users(email);",
+        )
+        .unwrap();
+
+        let mut table = Table::new("users");
+        load_indexes(&conn, "users", &mut table).unwrap();
+
+        assert!(table.indexes.contains_key("idx_users_email"));
+        assert_eq!(table.indexes.len(), 1);
+        assert!(!table
+            .indexes
+            .keys()
+            .any(|index_name| index_name.starts_with("sqlite_autoindex_")));
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index da3e8d3..fef5b21 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,8 +3,10 @@ use std::process::ExitCode;
 use clap::Parser;
 
 use dbdiff::cli::{Args, OutputFormat};
+use dbdiff::config;
 use dbdiff::diff::diff_schemas;
 use dbdiff::loader;
+use dbdiff::loader::SqlDialect;
 use dbdiff::migration::generate_migration;
 use dbdiff::output;
 
@@ -25,7 +27,12 @@ async fn run(args: Args) -> Result<(), ExitCode> {
         ExitCode::from(2)
     })?;
 
-    let (left, right) = tokio::try_join!(
+    let cfg = config::load_config(&args.config).map_err(|e| {
+        eprintln!("Error: {e}");
+        ExitCode::from(2)
+    })?;
+
+    let (mut left, mut right) = tokio::try_join!(
         loader::load_schema(&args.source),
         loader::load_schema(target_source),
     )
@@ -34,10 +41,30 @@ async fn run(args: Args) -> Result<(), ExitCode> {
         ExitCode::from(2)
     })?;
 
-    let diff = diff_schemas(&left, &right);
-    let statements = generate_migration(&diff);
+    config::filter::apply_ignore(&mut left.schema, &cfg.ignore);
+    config::filter::apply_ignore(&mut right.schema, &cfg.ignore);
+
+    // Apply config color setting (CLI could override later with --color flag)
+    if let Some(false) = cfg.output.color {
+        colored::control::set_override(false);
+    }
+
+    let diff = diff_schemas(&left.schema, &right.schema);
+    let migration_dialect = match (left.dialect, right.dialect) {
+        (SqlDialect::SqlFile, other) | (other, SqlDialect::SqlFile) => other,
+        (l, r) if l == r => l,
+        (l, r) => {
+            eprintln!(
+                "Error: Cannot generate migration for mixed backends ({l:?} vs {r:?}). \
+                 Compare like-for-like backends or use a .sql file for one side."
+            );
+            return Err(ExitCode::from(2));
+        }
+    };
+    let statements = generate_migration(&diff, migration_dialect);
+    let format = args.resolve_format(&cfg.output.format);
 
-    match args.format {
+    match format {
         OutputFormat::Pretty => {
             output::print_diff(&diff);
             if !statements.is_empty() {
diff --git a/src/migration.rs b/src/migration.rs
index b1030a8..d449a73 100644
--- a/src/migration.rs
+++ b/src/migration.rs
@@ -1,4 +1,5 @@
 use crate::diff::{ColumnDiff, SchemaDiff, TableDiff};
+use crate::loader::SqlDialect;
 use crate::model::{Column, Index, Table};
 
 /// Generate migration SQL statements from a schema diff.
@@ -11,14 +12,14 @@ use crate::model::{Column, Index, Table};
 /// 5. ADD COLUMNs
 /// 6. ALTER COLUMNs
 /// 7. CREATE INDEXes
-pub fn generate_migration(diff: &SchemaDiff) -> Vec<MigrationStatement> {
+pub fn generate_migration(diff: &SchemaDiff, dialect: SqlDialect) -> Vec<MigrationStatement> {
     let mut statements = Vec::new();
 
     // Phase 1: DROP INDEXes from modified tables
     for table_diff in &diff.modified_tables {
         for idx in &table_diff.removed_indexes {
             statements.push(MigrationStatement {
-                sql: format!("DROP INDEX {};", idx.name),
+                sql: drop_index_sql(idx, dialect),
                 warnings: Vec::new(),
             });
         }
@@ -91,7 +92,7 @@ pub fn generate_migration(diff: &SchemaDiff) -> Vec<MigrationStatement> {
 
     // Phase 6: ALTER COLUMNs
     for table_diff in &diff.modified_tables {
-        let mut alter_stmts = generate_column_alterations(table_diff);
+        let mut alter_stmts = generate_column_alterations(table_diff, dialect);
         statements.append(&mut alter_stmts);
     }
 
@@ -136,6 +137,13 @@ fn create_index_sql(idx: &Index) -> String {
     )
 }
 
+fn drop_index_sql(idx: &Index, dialect: SqlDialect) -> String {
+    match dialect {
+        SqlDialect::MySql => format!("DROP INDEX {} ON {};", idx.name, idx.table_name),
+        _ => format!("DROP INDEX {};", idx.name),
+    }
+}
+
 fn add_column_warnings(col: &Column) -> Vec<String> {
     let mut warnings = Vec::new();
     if !col.is_nullable && col.default.is_none() {
@@ -155,7 +163,10 @@ fn add_column_warnings(col: &Column) -> Vec<String> {
     warnings
 }
 
-fn generate_column_alterations(table_diff: &TableDiff) -> Vec<MigrationStatement> {
+fn generate_column_alterations(
+    table_diff: &TableDiff,
+    dialect: SqlDialect,
+) -> Vec<MigrationStatement> {
     let mut stmts = Vec::new();
 
     for col_diff in &table_diff.modified_columns {
@@ -164,41 +175,98 @@ fn generate_column_alterations(table_diff: &TableDiff) -> Vec<MigrationStatement
 
         // Type change
         if old.data_type != new.data_type {
-            stmts.push(MigrationStatement {
-                sql: format!(
-                    "ALTER TABLE {table} ALTER COLUMN {} TYPE {};",
-                    new.name, new.data_type
-                ),
-                warnings: vec![format!(
-                    "Changing column type from '{}' to '{}' may require a table rewrite \
-                     and AccessExclusiveLock.",
-                    old.data_type, new.data_type
-                )],
-            });
-        }
-
-        // Nullability change
-        if old.is_nullable != new.is_nullable {
-            if new.is_nullable {
-                stmts.push(MigrationStatement {
+            match dialect {
+                SqlDialect::MySql => stmts.push(MigrationStatement {
+                    sql: format!("ALTER TABLE {table} MODIFY COLUMN {};", new.definition()),
+                    warnings: vec![format!(
+                        "Changing column type from '{}' to '{}' may require a table rewrite \
+                         and table lock.",
+                        old.data_type, new.data_type
+                    )],
+                }),
+                SqlDialect::Sqlite => stmts.push(MigrationStatement {
                     sql: format!(
-                        "ALTER TABLE {table} ALTER COLUMN {} DROP NOT NULL;",
+                        "-- manual migration required for type change on {table}.{}",
                         new.name
                     ),
-                    warnings: Vec::new(),
-                });
-            } else {
-                stmts.push(MigrationStatement {
-                    sql: format!(
-                        "ALTER TABLE {table} ALTER COLUMN {} SET NOT NULL;",
+                    warnings: vec![format!(
+                        "SQLite does not support ALTER COLUMN TYPE directly for '{}'. \
+                         Recreate table '{table}' with the desired column definition.",
                         new.name
+                    )],
+                }),
+                _ => stmts.push(MigrationStatement {
+                    sql: format!(
+                        "ALTER TABLE {table} ALTER COLUMN {} TYPE {};",
+                        new.name, new.data_type
                     ),
                     warnings: vec![format!(
-                        "SET NOT NULL on '{}' will scan the entire table to verify no NULLs exist. \
-                         This acquires AccessExclusiveLock.",
-                        new.name
+                        "Changing column type from '{}' to '{}' may require a table rewrite \
+                         and AccessExclusiveLock.",
+                        old.data_type, new.data_type
                     )],
-                });
+                }),
+            }
+        }
+
+        // Nullability change
+        if old.is_nullable != new.is_nullable {
+            match dialect {
+                SqlDialect::MySql => {
+                    let warning = if new.is_nullable {
+                        format!(
+                            "Changing '{}' to NULL via MODIFY COLUMN may rebuild the table depending \
+                             on MySQL/MariaDB version and storage engine.",
+                            new.name
+                        )
+                    } else {
+                        format!(
+                            "Changing '{}' to NOT NULL via MODIFY COLUMN can fail if existing rows \
+                             contain NULL values.",
+                            new.name
+                        )
+                    };
+                    stmts.push(MigrationStatement {
+                        sql: format!("ALTER TABLE {table} MODIFY COLUMN {};", new.definition()),
+                        warnings: vec![warning],
+                    });
+                }
+                SqlDialect::Sqlite => {
+                    stmts.push(MigrationStatement {
+                        sql: format!(
+                            "-- manual migration required for nullability change on {table}.{}",
+                            new.name
+                        ),
+                        warnings: vec![format!(
+                            "SQLite does not support ALTER COLUMN nullability directly for '{}'. \
+                             Recreate table '{table}' with the desired column definition.",
+                            new.name
+                        )],
+                    });
+                }
+                _ => {
+                    if new.is_nullable {
+                        stmts.push(MigrationStatement {
+                            sql: format!(
+                                "ALTER TABLE {table} ALTER COLUMN {} DROP NOT NULL;",
+                                new.name
+                            ),
+                            warnings: Vec::new(),
+                        });
+                    } else {
+                        stmts.push(MigrationStatement {
+                            sql: format!(
+                                "ALTER TABLE {table} ALTER COLUMN {} SET NOT NULL;",
+                                new.name
+                            ),
+                            warnings: vec![format!(
+                                "SET NOT NULL on '{}' will scan the entire table to verify no NULLs exist. \
+                                 This acquires AccessExclusiveLock.",
+                                new.name
+                            )],
+                        });
+                    }
+                }
             }
         }
 
@@ -262,7 +330,7 @@ mod tests {
         right.tables.insert("users".into(), t);
 
         let diff = diff_schemas(&left, &right);
-        let stmts = generate_migration(&diff);
+        let stmts = generate_migration(&diff, SqlDialect::Postgres);
 
         assert_eq!(stmts.len(), 1);
         assert_eq!(
@@ -289,7 +357,7 @@ mod tests {
         right.tables.insert("users".into(), t);
 
         let diff = diff_schemas(&left, &right);
-        let stmts = generate_migration(&diff);
+        let stmts = generate_migration(&diff, SqlDialect::Postgres);
 
         assert_eq!(stmts.len(), 1);
         assert_eq!(stmts[0].sql, "ALTER TABLE users DROP COLUMN old_field;");
@@ -309,7 +377,7 @@ mod tests {
         right.tables.insert("orders".into(), t);
 
         let diff = diff_schemas(&left, &right);
-        let stmts = generate_migration(&diff);
+        let stmts = generate_migration(&diff, SqlDialect::Postgres);
 
         assert_eq!(stmts.len(), 1);
         assert!(stmts[0].sql.starts_with("CREATE TABLE orders"));
@@ -332,7 +400,7 @@ mod tests {
         right.tables.insert("users".into(), t);
 
         let diff = diff_schemas(&left, &right);
-        let stmts = generate_migration(&diff);
+        let stmts = generate_migration(&diff, SqlDialect::Postgres);
 
         assert_eq!(stmts.len(), 1);
         assert_eq!(
@@ -365,7 +433,7 @@ mod tests {
         right.tables.insert("orders".into(), t);
 
         let diff = diff_schemas(&left, &right);
-        let stmts = generate_migration(&diff);
+        let stmts = generate_migration(&diff, SqlDialect::Postgres);
 
         assert_eq!(stmts.len(), 1);
         assert_eq!(stmts[0].sql, "CREATE INDEX idx_orders_id ON orders(id);");
@@ -407,7 +475,7 @@ mod tests {
         right.tables.insert("orders".into(), orders);
 
         let diff = diff_schemas(&left, &right);
-        let stmts = generate_migration(&diff);
+        let stmts = generate_migration(&diff, SqlDialect::Postgres);
 
         let sqls: Vec<&str> = stmts.iter().map(|s| s.sql.as_str()).collect();
 
@@ -424,4 +492,102 @@ mod tests {
         assert!(drop_table_pos < create_table_pos);
         assert!(create_table_pos < add_col_pos);
     }
+
+    #[test]
+    fn mysql_drop_index_uses_on_clause() {
+        let mut left = Schema::new();
+        let mut t = Table::new("orders");
+        t.columns
+            .insert("id".into(), col("id", "integer", false, None));
+        t.indexes.insert(
+            "idx_orders_id".into(),
+            Index {
+                name: "idx_orders_id".into(),
+                table_name: "orders".into(),
+                columns: vec!["id".into()],
+                is_unique: false,
+            },
+        );
+        left.tables.insert("orders".into(), t);
+
+        let mut right = Schema::new();
+        let mut t = Table::new("orders");
+        t.columns
+            .insert("id".into(), col("id", "integer", false, None));
+        right.tables.insert("orders".into(), t);
+
+        let diff = diff_schemas(&left, &right);
+        let stmts = generate_migration(&diff, SqlDialect::MySql);
+
+        assert_eq!(stmts[0].sql, "DROP INDEX idx_orders_id ON orders;");
+    }
+
+    #[test]
+    fn sqlite_type_change_generates_manual_warning() {
+        let mut left = Schema::new();
+        let mut t = Table::new("users");
+        t.columns
+            .insert("email".into(), col("email", "text", false, None));
+        left.tables.insert("users".into(), t);
+
+        let mut right = Schema::new();
+        let mut t = Table::new("users");
+        t.columns
+            .insert("email".into(), col("email", "varchar(255)", false, None));
+        right.tables.insert("users".into(), t);
+
+        let diff = diff_schemas(&left, &right);
+        let stmts = generate_migration(&diff, SqlDialect::Sqlite);
+
+        assert!(stmts[0].sql.starts_with("-- manual migration required"));
+        assert!(stmts[0].warnings[0].contains("does not support ALTER COLUMN TYPE"));
+    }
+
+    #[test]
+    fn mysql_nullability_change_uses_modify_column() {
+        let mut left = Schema::new();
+        let mut t = Table::new("users");
+        t.columns
+            .insert("email".into(), col("email", "varchar(255)", true, None));
+        left.tables.insert("users".into(), t);
+
+        let mut right = Schema::new();
+        let mut t = Table::new("users");
+        t.columns
+            .insert("email".into(), col("email", "varchar(255)", false, None));
+        right.tables.insert("users".into(), t);
+
+        let diff = diff_schemas(&left, &right);
+        let stmts = generate_migration(&diff, SqlDialect::MySql);
+
+        assert_eq!(stmts.len(), 1);
+        assert_eq!(
+            stmts[0].sql,
+            "ALTER TABLE users MODIFY COLUMN email varchar(255) NOT NULL;"
+        );
+    }
+
+    #[test]
+    fn sqlite_nullability_change_generates_manual_warning() {
+        let mut left = Schema::new();
+        let mut t = Table::new("users");
+        t.columns
+            .insert("email".into(), col("email", "text", true, None));
+        left.tables.insert("users".into(), t);
+
+        let mut right = Schema::new();
+        let mut t = Table::new("users");
+        t.columns
+            .insert("email".into(), col("email", "text", false, None));
+        right.tables.insert("users".into(), t);
+
+        let diff = diff_schemas(&left, &right);
+        let stmts = generate_migration(&diff, SqlDialect::Sqlite);
+
+        assert_eq!(stmts.len(), 1);
+        assert!(stmts[0]
+            .sql
+            .starts_with("-- manual migration required for nullability change"));
+        assert!(stmts[0].warnings[0].contains("does not support ALTER COLUMN nullability"));
+    }
 }
diff --git a/tests/config.rs b/tests/config.rs
new file mode 100644
index 0000000..c667f5f
--- /dev/null
+++ b/tests/config.rs
@@ -0,0 +1,60 @@
+use assert_cmd::Command;
+use predicates::prelude::*;
+
+fn cmd() -> Command {
+    Command::cargo_bin("dbdiff").unwrap()
+}
+
+#[test]
+fn config_ignores_table() {
+    // The fixture dbdiff.yml ignores audit_log table.
+    // schema_b.sql adds audit_log, so without config it would show up in diff.
+    cmd()
+        .args([
+            "tests/fixtures/schema_a.sql",
+            "--schema",
+            "tests/fixtures/schema_b.sql",
+            "--config",
+            "tests/fixtures/dbdiff.yml",
+            "--format",
+            "json",
+        ])
+        .assert()
+        .success()
+        .stdout(predicate::str::contains("audit_log").not());
+}
+
+#[test]
+fn config_ignores_column() {
+    // The fixture dbdiff.yml ignores *.created_at columns.
+    // Both schemas have created_at columns that should be filtered out.
+    cmd()
+        .args([
+            "tests/fixtures/schema_a.sql",
+            "--schema",
+            "tests/fixtures/schema_b.sql",
+            "--config",
+            "tests/fixtures/dbdiff.yml",
+            "--format",
+            "json",
+        ])
+        .assert()
+        .success()
+        .stdout(predicate::str::contains("created_at").not());
+}
+
+#[test]
+fn missing_config_file_uses_defaults() {
+    // Non-existent config file should not cause an error — just use defaults.
+    cmd()
+        .args([
+            "tests/fixtures/schema_a.sql",
+            "--schema",
+            "tests/fixtures/schema_b.sql",
+            "--config",
+            "/nonexistent/path/.dbdiff.yml",
+        ])
+        .assert()
+        .success()
+        .stdout(predicate::str::contains("audit_log"));
+}
diff --git a/tests/fixtures/dbdiff.yml b/tests/fixtures/dbdiff.yml
new file mode 100644
index 0000000..0541dc2
--- /dev/null
+++ b/tests/fixtures/dbdiff.yml
@@ -0,0 +1,8 @@
+ignore:
+  tables:
+    - audit_log
+  columns:
+    - "*.created_at"
+output:
+  format: pretty
+  color: true