https://www.timescale.com/learn/explaining-postgresql-explain
Hash Join
2024/8/23 23:14:00
pg_stat_statementsExecution TimeParallelWorkers Planned「If we want to get the cost information for a query by actually executing the query, we can use EXPLAIN ANALYZE」「Seq Scan says that PostgreSQL is looping over every row in the database」Seq ScanEXPLAIN ANALYZEEXPLAINHash Join
『Explaining PostgreSQL EXPLAIN | Timescale』
2024/8/23 23:02:00