oracle dbms_xplan display,dbms_xplan.display_cursor的问题。
原帖由 erpmeng 于 2010-8-17 16:32 发表 怎么执行呢??和版本有关系,我这边是先set serverout off,然后执行sql才能查,晕DINGJUN123>set serveroutput offDINGJUN123>select * from product where id=1;ID----------已选择 1 行。DINGJUN123>sel
原帖由 erpmeng 于 2010-8-17 16:32 发表 
怎么执行呢??
和版本有关系,我这边是先set serverout off,然后执行sql才能查,晕
DINGJUN123>set serveroutput off
DINGJUN123>select * from product where id=1;
ID
----------
已选择 1 行。
DINGJUN123>select * from table(dbms_xplan.display_cursor);
PLAN_TABLE_OUTPUT
----------------------------------------------------------------------------------------------------
SQL_ID 18j7c4qrhg5an, child number 0
-------------------------------------
select * from product where id=1
Plan hash value: 1133877822
--------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
--------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | | | 1 (100)| |
| 1 | TABLE ACCESS BY INDEX ROWID| PRODUCT | 1 | 310 | 1 (0)| 00:00:01 |
|* 2 | INDEX UNIQUE SCAN | SYS_C0018568 | 1 | | 0 (0)| |
--------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
2 - access("ID"=1)
已选择19行。
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