小轶的专栏

SQL> conn / as sysdba Connected. 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 ----------------------------------------- -------- ------