授权scott用户可以开启执行

授权scott用户可以开启执行计划，脚本如下：[Oracle@rac1 admin]$ sqlplus / as sysdba SQL*Plus: Release 10.2.0.5.0 - Product

授权scott用户可以开启执行计划，，脚本如下：
[Oracle@rac1 admin]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Sat Oct 12 02:02:28 2013
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
SQL> @$ORACLE_HOME/rdbms/admin/utlxplan.sql
Table created.
SQL> @$ORACLE_HOME/sqlplus/admin/plustrce.sql
SQL>
SQL> drop role plustrace;
Role dropped.
SQL> create role plustrace;
Role created.
SQL>
SQL> grant select on v_$sesstat to plustrace;
Grant succeeded.
SQL> grant select on v_$statname to plustrace;
Grant succeeded.
SQL> grant select on v_$mystat to plustrace;
Grant succeeded.
SQL> grant plustrace to dba with admin option;
Grant succeeded.
SQL>
SQL> set echo off
SQL> grant plustrace to scott;
Grant succeeded.

利用scott开启执行计划

SQL> conn scott
Enter password:
Connected.
SQL> set autotrace on;
SQL> select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
DEPT TABLE
EMP TABLE
BONUS TABLE
SALGRADE TABLE
T TABLE
E1 TABLE
6 rows selected.
Execution Plan
----------------------------------------------------------
ERROR:
ORA-01039: insufficient privileges on underlying objects of the view
SP2-0612: Error generating AUTOTRACE EXPLAIN report
Statistics
----------------------------------------------------------
287 recursive calls
0 db block gets
709 consistent gets
1 physical reads
0 redo size
755 bytes sent via SQL*Net to client
492 bytes received via SQL*Net from client
2 SQL*Net roundtrips to/from client
12 sorts (memory)
0 sorts (disk)
6 rows processed

推荐阅读：

ORA-01172、ORA-01151错误处理

ORA-00600 [2662]错误解决

ORA-01078 和 LRM-00109 报错解决方法

ORA-00471 处理方法笔记

ORA-00314,redolog 损坏，或丢失处理方法

ORA-00257 归档日志过大导致无法存储的解决办法