Oracle字符集改变

改变数据库字符集：

sql>conn / as sysdba 需要使用sysdba账户
sql>startup mount
sql>shutdown immediate; - -停止数据库
sql>startup mount --启动数据库到mount 状态
sql>alter session set sql_trace=true;
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 AL32UTF8;--修改字符集
AL32UTF8->ZHS16GBK
sql>shutdown immediate; - -停止数据库
sql>STARUP; --启动数据库