關於outline的一點測試和總結
阿新 • • 發佈：2019-01-01
--------------------------------------------------------------------------------------- | Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | --------------------------------------------------------------------------------------- | 0 | SELECT STATEMENT | | | | 2 (100)| | | 1 | TABLE ACCESS BY INDEX ROWID| TEST_HT | 1 | 9 | 2 (0)| 00:00:01 | |* 2 | INDEX RANGE SCAN | IDX_ID | 1 | | 1 (0)| 00:00:01 | ---------------------------------------------------------------------------------------