[Oracle]查看SQL的执行计划 - AUTOTRACE，遇到错误ORA-00904: 标识符无效

 

[Oracle]查看SQL的执行计划 - AUTOTRACE，遇到错误ORA-00904: "OTHER_TAG": 标识符无效

 SQL> SET AUTOTRACE ON
 SQL> SELECT SYSDATE FROM DUAL;

 SYSDATE
 --------------
 26-9月 -12


 执行计划
 ----------------------------------------------------------
 ERROR: an uncaught error in function display has happened; please contact Oracle
  support

        Please provide also a DMP file of the used plan table PLAN_TABLE
        ORA-00904: "OTHER_TAG": 标识符无效


 统计信息
 ----------------------------------------------------------
           0  recursive calls
           0  db block gets
           0  consistent gets
           0  physical reads
           0  redo size
         347  bytes sent via SQL*Net to client
         338  bytes received via SQL*Net from client
           2  SQL*Net roundtrips to/from client
           0  sorts (memory)
           0  sorts (disk)
           1  rows processed

解决方法：

Need to recreate or upgrade the plan table, it is still the 8i one.
Please drop the table and run

SQL> drop table  PLAN_TABLE ;

表已删除。

SQL> @C:\oracle\product\10.2.0\client_2\RDBMS\ADMIN\utlxplan.sql

表已创建。

 SQL> SET AUTOTRACE ON
 SQL> SELECT SYSDATE FROM DUAL;

 SYSDATE
 --------------
 26-9月 -12


 执行计划
 ----------------------------------------------------------
 Plan hash value: 1388734953

 -----------------------------------------------------------------
 | Id  | Operation        | Name | Rows  | Cost (%CPU)| Time     |
 -----------------------------------------------------------------
 |   0 | SELECT STATEMENT |      |     1 |     2   (0)| 00:00:01 |
 |   1 |  FAST DUAL       |      |     1 |     2   (0)| 00:00:01 |
 -----------------------------------------------------------------


 统计信息
 ----------------------------------------------------------
           0  recursive calls
           0  db block gets
           0  consistent gets
           0  physical reads
           0  redo size
         347  bytes sent via SQL*Net to client
         338  bytes received via SQL*Net from client
           2  SQL*Net roundtrips to/from client
           0  sorts (memory)
           0  sorts (disk)
           1  rows processed

 SQL>

ps：查看执行计划，也可以是使用 [Oracle]如何查看SQL的执行计划 - DBMS_XPLAN Package