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Sqldef: Idempotent schema management tool for MySQL, PostgreSQL, SQLite

sqldef is a CLI tool for diffing two SQL schemas. You can use it to manage the migration of RDBMSs using regular SQL DDLs.

Supported databases: MySQL, MariaDB, TiDB, PostgreSQL, SQL Server, and SQLite3.

Online Demo

Current schema

Desired schema

Up (current → desired)

 

  


  

    
Down (desired → current)

    
 

    

  


  

    
How It Works

    

      The online demo uses the WebAssembly build of sqldef to
      diff two SQL schemas and generate DDLs.