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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 ZHS16GBK
*
ERROR at line 1:
ORA-12721:
operation cannot execute when other sessions are active
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INTERNAL_USE ZHS16GBK;
SQL>SHUTDOWN IMMEDIATE
SQL>STARTUP
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