时间：2021-07-01 10:21:17 帮助过：14人阅读
EXPLAIN PLAN FOR SELECT * FROM TB_USER;
select * from table(dbms_xplan.display);
Plan hash value: 1576953371
-----------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
-----------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 389K| 103M| 4075 (1)| 00:00:49 |
| 1 | TABLE ACCESS FULL| TB_USER | 389K| 103M| 4075 (1)| 00:00:49 |
-----------------------------------------------------------------------------oracle explain
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