小轶的专栏

SQL> conn / as sysdbaConnected.SQL> @$ORACLE_HOME/sqlplus/admin/plustrce运行结果：SQL> SQL> drop role plustrace;drop role plustrace *ERROR at line 1:ORA-01919: role 'PLUSTRACE' does no

Statistics---------------------------------------------------------- 0 recursive calls //被执行的递归SQL语句数量 0 db block gets //当前模式中提

SQL> @$ORACLE_HOME/rdbms/admin/utlxplan.sql Table created.SQL> desc plan_table; Name Null? Type ----------------------------------------- -------- ------