SQL Query Performance & Indexing Skill

Diagnoses slow database queries, eliminates sequential table scans, optimizes join conditions, and designs compound indexes for sub-millisecond execution.

One-line install command

npx skills add db/sql-optimizer

Prompt to use it

Use the SQL Query Performance & Indexing Skill skill for this task: [describe the task]. Before you start, tell me which steps of the skill apply and anything you need from me. When done, list what you changed and how you checked it.

Paste into your agent after installing the skill. Replace the [brackets].

Quality Score96/100

LicenseMIT

Public Stars2,100

Agents SupportedClaude Code, Cursor, Codex

Mission Loadouts Featuring This Skill

Diagnose Slow Database Queries & Query PlansInterpret EXPLAIN ANALYZE, design compound indexes, and eliminate sequential scans.