SQL> shutdown immediate; // (把database停了) SQL> startup mount; //(把database重开) 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 utf8; ...
alter database open; alter database character set UTF8; shutdown immediate; startup; 执行alter database character set UTF8; 报错 RROR at line 1: ORA-12712: new character set must be a superset of old character set ALTER DATABASE character set INTERNAL_USE zhs16gbk; ALTER SESSION SET SQL...
首先: connect sys/orcl as sysdba; 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; alter database character set internal_use utf8; al...
ALTER DATABASE OPEN; ALTER DATABASE NATIONAL CHARACTER SET UTF8; SHUTDOWN immediate; startup; 注意:如果没有大对象,在使用过程中进行语言转换没有什么影响,(切 记设定的字符集必须是ORACLE支持,不然不能start) 按上面的做法就可以,但是可能会出现‘ORA-12717: Cannot ALTER DATABASE NATIONAL CHARACTER SET w...
1.在SQL*PLUS 中，以DBA登录conn 用户名 as sysdba2.执行转换语句：SHUTDOWN IMMEDIATE;STARTUP MOUNT EXCLUSIVE;ALTER SYSTEM ENABLE RESTRICTED SESSION;ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;ALTER SYSTEM SET AQ_TM_PROCESSES=0;ALTER DATABASE OPEN;ALTER DATABASE NATIONAL CHARACTER SET UTF8;SHUTDOWN ...
ALTER DATABASE CHARACTER SET UTF8; 复制代码 修改NLS_LENGTH_SEMANTICS参数(可选):如果需要修改NLS_LENGTH_SEMANTICS参数,可以使用以下语句修改为BYTE或CHAR: ALTER DATABASE CHARACTER SET UTF8; 复制代码 启动数据库服务:修改完字符集后,重新启动数据库服务。 验证字符集是否已修改:可以再次使用SELECT语句查询数据库...
SQL> alter system enable restricted session; System altered. SQL> alter system set job_queue_processes=0; System altered. SQL> alter system set aq_tm_processes=0; System altered. SQL> alter database open; Database altered. SQL> alter database character set INTERNAL_USE UTF8; ...
OPEN;(---如果有问题请在此插入下面语句---)ALTER DATABASE NATIONAL CHARACTER SET UTF8;ALTER DATABASE CHARACTER SET UTF8;SHUTDOWN immediate;STARTUP;如果修改出现问题时请调用下面语句再执行一次就可以了ALTER DATABASE NATIONAL CHARACTER SET INTERNAL_USE UTF8;
SQL> alter system enable restricted session; SQL> alter system set job_queue_processes=0; SQL> alter database open; SQL> alter database character set internal_use UTF-8; SQL> shutdown immediate; SQL> startup 1. 2. 3. 4. 5.
IMMEDIATE;SQL>STARTUP MOUNT EXCLUSIVE;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 NATIONAL CHARACTER SET INTERNAL_USE UTF8;SQL>SHUTDOWN immediate;SQL>startup;