Plan Cache Based Execution Statistics is a feature in PostgreSQL that collects and aggregates execution statistics for SQL statements that are stored in the plan cache. This allows users to monitor and analyze the performance […]
PostgreSQL provides a powerful statistics collection system that can be used to gather information about the behavior of the database system. This information can be used to diagnose performance problems, optimize queries, and tune the […]
PostgreSQL collects various statistics about its internal operations and the usage of database objects, which can be useful for performance tuning and troubleshooting purposes. By default, PostgreSQL enables statistics collection, but you may need to […]
PostgreSQL can be tuned for concurrency and performance by adjusting various configuration parameters that affect the behavior of the database system. Here are some recommended steps for tuning PostgreSQL for concurrency and performance: How to […]
In PostgreSQL, optimizer plan stability is a feature that allows the query planner to reuse a previously cached query plan for a SQL statement instead of generating a new plan. This can improve query performance […]
In PostgreSQL, a COMMIT statement is used to finalize a transaction and make its changes permanent in the database. When a COMMIT statement is executed, the following things happen internally in PostgreSQL: After a transaction […]
In PostgreSQL, the optimizer uses cardinality estimates to determine the most efficient execution plan for a query. Cardinality refers to the number of rows in a table or the number of rows returned by a […]
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