How to Tell Whether Your Slow Query Is a Planning or an Execution Problem

· Timescale · Aug. 21, 2026, 4:02 p.m.
PostgreSQL Tips PostgreSQL Performance Postgres Database performance Query Optimization EXPLAIN ANALYZE
Summary
The blog post explains how to diagnose slow Postgres queries by analyzing the Planning Time and Execution Time provided by the EXPLAIN ANALYZE command, helping developers identify whether the issue lies in the query planning or execution phase.
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