SQL>SHUTDOWN IMMEDIATE;

SQL>STARTUP MOUNT;

SQL>ALTER SYSTEM ENABLE RESTRICTED SESSION;

SQL>ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;

SQL>ALTER SYSTEM SET AQ_TM_PROCESSES=0;

SQL>ALTER DATABASE OPEN;

SQL>ALTER DATABASE CHARACTER SET INTERNAL_USE ZHS16GBK; //跳过超子集检测

SQL>ALTER DATABASE character set INTERNAL_USE ZHS16GBK;

SQL>SHUTDOWN IMMEDIATE;

SQL>STARTUP;

To Be Continued！😎