Explain Articles

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8/4/2025 • EN

Explains a new PostgreSQL 19 feature that displays Memoize planner estimates in EXPLAIN output to help debug query plan choices.

Explain Memoize postgresql Query Optimization Query Planner

$Waiting for PostgreSQL 18 – Allow EXPLAIN to indicate fractional rows.$

2/28/2025 • EN

PostgreSQL 18 will improve EXPLAIN output by showing fractional row counts with two decimal digits for better query plan accuracy.

Database Internals Explain performance tuning postgresql Query Optimization

6/13/2013 • EN

A guide to using EXPLAIN and EXPLAIN ANALYZE in PostgreSQL, including JSON output and visualization tools for query execution plans.

Database Performance Execution Plans Explain postgresql Query Optimization

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