shutdown immediate;
STARTUP MOUNT;
ALTER SESSION SET SQL_TRACE=TRUE;
ALTER SYSTEM ENABLE RESTRICTED SESSION;
ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
ALTER SYSTEM SET AQ_TM_PROCESSES=0;
ALTER DATABASE OPEN;
SQL> ALTER DATABASE character set INTERNAL_USE zhs16gbk;
SQL> select value from nls_database_parameters where parameter='NLS_CHARACTERSET';
ALTER SESSION SET SQL_TRACE=FALSE;
STARTUP MOUNT;
ALTER SESSION SET SQL_TRACE=TRUE;
ALTER SYSTEM ENABLE RESTRICTED SESSION;
ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
ALTER SYSTEM SET AQ_TM_PROCESSES=0;
ALTER DATABASE OPEN;
SQL> ALTER DATABASE character set INTERNAL_USE zhs16gbk;
SQL> select value from nls_database_parameters where parameter='NLS_CHARACTERSET';
ALTER SESSION SET SQL_TRACE=FALSE;
本文演示了如何使用SQL命令来管理Oracle数据库,包括立即关闭数据库、挂载启动、设置SQL跟踪等功能,并展示了如何更改数据库字符集及查询当前字符集设置。
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