为快捷显示Oracle执行计划创建存储过程(二)
(a);
13 end loop;
14 end;
15 /
Procedure created.
SQL> exec sql_explain('select a.name,b.name from t1 a,t2 b where a.id=b.id and a.id=1','all');
Plan hash value: 2680223496
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| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
--------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 17 | 4 (0)| 00:00:01 |
| 1 | NESTED LOOPS | | 1 | 17 | 4 (0)| 00:00:01 |
| 2 | TABLE ACCESS BY INDEX ROWID| T1 | 1 | 8 | 1 (0)| 00:00:01 |
|* 3 | INDEX UNIQUE SCAN | T1_PK | 1 | | 0 (0)| 00:00:01 |
|* 4 | TABLE ACCESS FULL | T2 | 1 | 9 | 3 (0)| 00:00:01 |
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Query Block Name / Object Alias (identified by operation id):
-------------------------------------------------------------
1 - SEL$1
2 - SEL$1 / A@SEL$1
3 - SEL$1 / A@SEL$1
4 - SEL$1 / B@SEL$1
Predicate Information (identified by operation id):
---------------------------------------------------
3 - access("A"."ID"=1)
4 - filter("B"."ID"=1)
Column Projection Information (identified by operation id):
-----------------------------------------------------------
1 - (#keys=0) "A"."NAME"[VARCHAR2,32], "B"."NAME"[VARCHAR2,32]
2 - "A"."NAME"[VARCHAR2,32]
3 - "A".ROWID[ROWID,10]
4 - "B"."NAME"[VARCHAR2,32]
PL/SQL procedure successfully completed.