MySQL Core Knowledge Deep Knowledge : Use with technology: for comprehensive documentation. Table Definition Common Queries Key Differences from PostgreSQL | Feature | MySQL | PostgreSQL | |---------|-------|------------| | Auto ID | | | | Boolean | | | | Upsert | | | | JSON | | (indexed) | When NOT to Use This Skill - PostgreSQL-specific features - Use skill for JSONB, arrays, window functions - NoSQL operations - Use or skills for document/key-value stores - Oracle database - Use skill for Oracle-specific features - SQL Server - Use skill for T-SQL and SQL Server features - ORM abstractions…