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