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Optimizes SQL queries, designs database schemas, and troubleshoots performance issues. Use when a user asks why their query is slow, needs help writing complex…
SQL Pro Core Workflow Schema Analysis - Review database structure, indexes, query patterns, performance bottlenecks Design - Create set-based operations using CTEs, window functions, appropriate joins Optimize - Analyze execution plans, implement covering indexes, eliminate table scans Verify - Run EXPLAIN ANALYZE and confirm no sequential scans on large tables; if query does not meet sub-100ms target, iterate on index selection or query rewrite before proceeding Document - Provide query explanations, index rationale, performance metrics Reference Guide Load detailed guidance based on context:
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