Analyze and optimize SQL queries. Identifies missing indexes, inefficient joins, subquery issues, and suggests rewrites. Supports PostgreSQL, MySQL, BigQuery, Snowflake with dialect-specific optimization rules.. Input: SQL query + schema. Output: Optimized query + explain plan. Python 3.11+. 89% reliable. Use programmatically via API or CLI.
pip install dejavu-mcp
dejavu skill install sql-query-optimization
dejavu skill execute sql-query-optimization --input '...'
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