Query Planner Articles

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3/9/2026 • EN

New PostgreSQL 18 and SQLite features allow developers to copy database statistics to replicate production query plans in dev environments.

Database Statistics postgresql Query Optimization Query Planner sqlite

3/9/2026 • EN

New PostgreSQL 18 and SQLite features allow developers to copy database statistics to test production query plans without moving large datasets.

Database Statistics postgresql Query Optimization Query Planner sqlite

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

6/24/2025 • EN

A guide for Oracle DBAs on PostgreSQL query tuning, covering the pg_stat_statements extension and the PostgreSQL planner's cost model.

Database Administration performance tuning postgresql Query Planner Query Tuning

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