SP2-0618: Cannot find the Session Identifier

    本文介绍使用autotrace报SP2-0618，SP2-0611错误的解决方法，过程如下：

SQL> set autotrace on;
SP2-0618: Cannot find the Session Identifier.  Check PLUSTRACE role is enabled
SP2-0611: Error enabling STATISTICS report

SQL> select * from tab;
TNAME                          TABTYPE  CLUSTERID
------------------------------ ------- ----------
DEPT                           TABLE
EMP                            TABLE
BONUS                          TABLE
SALGRADE                       TABLE
B                              TABLE
TEST                           TABLE
E                              TABLE
MY_EMPLOYEE                    TABLE
8 rows selected.
Execution Plan
----------------------------------------------------------
ERROR:
ORA-01039: insufficient privileges on underlying objects of the view
SP2-0612: Error generating AUTOTRACE EXPLAIN report
Statistics
----------------------------------------------------------
          0  recursive calls
          0  db block gets
        635  consistent gets
          0  physical reads
          0  redo size
        639  bytes sent via SQL*Net to client
        385  bytes received via SQL*Net from client
          2  SQL*Net roundtrips to/from client
          0  sorts (memory)
          0  sorts (disk)
          8  rows processed
SQL> connect / as sysdba
Connected.
SQL> show user; 
USER is "SYS"
SQL> @/opt/oracle/sqlplus/admin/plustrce.sql
SQL> drop role plustrace;
drop role plustrace
          *
ERROR at line 1:
ORA-01919: role 'PLUSTRACE' does not exist
SQL> create role plustrace;
Role created.
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> set echo off
SQL> grant plustrace to scott;
Grant succeeded.
SQL> connect scott/tiger
Connected.
SQL> set autotrace on;
SQL> select * from emp;
     EMPNO ENAME      JOB              MGR HIREDATE         SAL       COMM     DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
      7369 SMITH      CLERK           7902 17-DEC-80        800                  20
14 rows selected.
Execution Plan
----------------------------------------------------------
Plan hash value: 3956160932
--------------------------------------------------------------------------
| Id  | Operation         | Name | Rows  | Bytes | Cost (%CPU)| Time     |
--------------------------------------------------------------------------
|   0 | SELECT STATEMENT  |      |    14 |  1218 |     3   (0)| 00:00:01 |
|   1 |  TABLE ACCESS FULL| EMP  |    14 |  1218 |     3   (0)| 00:00:01 |
--------------------------------------------------------------------------
Note
-----
   - dynamic sampling used for this statement
Statistics
----------------------------------------------------------
          0  recursive calls
          0  db block gets
          8  consistent gets
          0  physical reads
          0  redo size
       1415  bytes sent via SQL*Net to client
        385  bytes received via SQL*Net from client
          2  SQL*Net roundtrips to/from client
          0  sorts (memory)
          0  sorts (disk)
         14  rows processed