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MySQL Schema Diff Tool

CLI PHP that compares the schema of two MySQL databases (or .sql files) and generates the necessary ALTER TABLE script for synchronization.

5 steps
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Project Roadmap
  1. 01

    Schema extraction

    PDO connection to both databases and INFORMATION_SCHEMA extraction.

  2. 02

    Table Diff

    Finds: new tables, deleted tables, added/deleted/modified columns.

  3. 03

    Index Diff

    Compares indexes: primary key, unique, index.

  4. 04

    ALTER Generation

    Generates ALTER TABLE ... ADD COLUMN, MODIFY COLUMN, DROP COLUMN, ADD INDEX etc.

  5. 05

    Dry-run & apply

    Displays the generated SQL or executes it with the --apply flag.

Resources

Ready to build this?

Fork the repo on GitHub and start building. A mentor will review your code when you open a PR.

5 steps

Tech Stack

PHPPDOSymfony Consoledoctrine/dbal