Hash Join
2024/8/23 23:14:00
EXPLAINEXPLAIN ANALYZE「If we want to get the cost information for a query by actually executing the query, we can use EXPLAIN ANALYZE」pg_stat_statementsExecution TimeParallelWorkers PlannedHash Join「Seq Scan says that PostgreSQL is looping over every row in the database」Seq Scan
『Explaining PostgreSQL EXPLAIN | Timescale』
2024/8/23 23:02:00