# PostgreSQL Macro Query Optimization with pg_stat_statements

> **Query optimization** is one of the core responsibilities of DBAs. This article introduces how to use metrics provided by `pg_stat_statements` for macro-level PostgreSQL query optimization.

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LLMS index: [llms.txt](/llms.txt)

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**Query optimization** is one of the core responsibilities of DBAs. This article introduces how to use metrics provided by `pg_stat_statements` for macro-level PostgreSQL query optimization. [**Read more**](https://vonng.com/en/pg/pgss/)