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Query Optimization

  • 28 installs
  • 1 repo stars
  • Updated January 5, 2026
  • pluginagentmarketplace/custom-plugin-sql

Helps with ai & agent building tasks.

About

query-optimization is a Claude Code skill for ai & agent building. It helps solo builders move faster with AI-assisted development.

  • query-optimization
  • AI & Agent Building
  • AI-coding skill

Query Optimization by the numbers

  • 28 all-time installs (skills.sh)
  • Ranked #9,462 of 16,546 AI & Agent Building skills by installs in the Skillselion catalog
  • Data as of Aug 4, 2026 (Skillselion catalog sync)
npx skills add https://github.com/pluginagentmarketplace/custom-plugin-sql --skill query-optimization

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Listed on Skillselion
Installs28
repo stars1
Last updatedJanuary 5, 2026
Repositorypluginagentmarketplace/custom-plugin-sql

What it does

Helps with ai & agent building tasks.

Files

SKILL.mdMarkdownGitHub ↗

Query Optimization Skill

Overview

Optimize SQL queries for maximum performance across different database systems.

Topics Covered

Query Analysis

  • EXPLAIN plans
  • Execution statistics
  • Cost-based optimization
  • Query profiling
  • Wait event analysis

Indexing Strategy

  • B-tree indexes
  • Covering indexes
  • Partial indexes
  • Index selection
  • Index maintenance

Query Patterns

  • JOIN optimization
  • Subquery alternatives
  • Aggregate optimization
  • Pagination patterns
  • Bulk operations

Database Specific

  • PostgreSQL optimization
  • MySQL tuning
  • SQL Server hints
  • Oracle optimization
  • Cloud DB optimization

Prerequisites

  • SQL fundamentals
  • Database internals basics

Learning Outcomes

  • Analyze query plans
  • Create effective indexes
  • Rewrite slow queries
  • Tune database performance

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