shutdown immediate;
startup mount;
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 utf8;
③如果上一句执行报错:(ORA-12712: 新字符集必须为旧字符集的超集),执行:
alter database character set internal_use ZHS16GBK;
④重启数据库
shutdown immediate;
startup;
6.查看修改后的编码格式
SELECT value$ FROM sys.props$ WHERE name = 'NLS_CHARACTERSET' ;
7.在目的服务器创建表空间
CREATE TABLESPACE DW DATAFILE 'D:\TABLESPACE\DATAFILES\DW.DBF' size 30G
8.将DW用户导入目的服务器dw表空间
(1)在目标库对应表空间创建DW用户
create user DW identified by 123456 default tablespace DW
(2)授权(可以先在原数据库查看用户权限,查看命令:select * from user_role_privs;)
grant dba to DW
(3)用exp命令导出用户下文件
Exp DW/password@localhost:1521/orcl file=D:\SJQY\DW.dmp log=D:\SJQY\DW.log
(4)用imp命令导入文件及日志到目标库用户
imp DW/123456@localhost:1521/orcl file=D:\SJQY\DW.dmp fromuser=(DW) touser=(DW) log=D:\SJQY\DW.log
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