Kellyn Gorman • 6/24/2025

PostgreSQL for the Oracle DBA, Part 4: Query Tuning and the PostgreSQL Planner

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This article explains performance tuning in PostgreSQL for experienced Oracle DBAs. It compares PostgreSQL's tools and planner to Oracle's, detailing how to use the pg_stat_statements extension to identify slow queries and how the PostgreSQL query planner uses cost estimates and statistics to generate execution plans.

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#postgresql #performance tuning #Database Administration
PostgreSQL for the Oracle DBA, Part 4: Query Tuning and the PostgreSQL Planner

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