SQL Query Optimization

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Enhances database performance by providing a systematic workflow for analyzing and refining PostgreSQL queries. This skill guides users through reading EXPLAIN plans, identifying efficient indexing strategies, and resolving common bottlenecks such as N+1 queries, inefficient JOINs, and slow pagination. By establishing performance baselines and following production-grade optimization patterns, it ensures applications remain responsive and resource-efficient as data scales.

Características Principales

• Automated checklists for identifying and creating effective database indexes
• Structured workflow for benchmarking and performance analysis
• Best practices for cursor-based pagination and result caching
• In-depth guidance for interpreting PostgreSQL EXPLAIN and EXPLAIN ANALYZE plans
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• Implementation patterns for resolving N+1 query and JOIN performance issues

Casos de Uso

• Implementing efficient pagination for large-scale data tables
• Reducing high latency in production database queries
• Troubleshooting resource-heavy SQL operations during development