1、用sysdba賬號登入數據庫,然後查詢到要更改的用戶信息:
SELECT user#,name FROM user$;
2、更改用戶名並提交:
update user$ set name='demokygs' where user#=111;
COMMIT;
3、強制刷新:
ALTER SYSTEM CHECKPOINT;
ALTER SYSTEM FLUSH SHARED_POOL;
4、更新用戶的密碼:
ALTER USER PORTAL IDENTIFIED BY "test23";
alter system set "_enable_rename_user"=true scope=spfile;
startup restrict force;
alter user kygs rename to demokygs identified by "test23";
19.10以後禁止以上更改,只能通過expdp、impdp修改