Oracle 10g更改用户名称的操作方法
--1、查询所需要修改的用户名称 select t.USER#, t.NAME from user$ t where t.NAME in (
--1、查询所需要修改的用户名称
select t.USER#, t.NAME
from user$ t
where t.NAME in ('DC40_FUND', 'DC31_FUND', 'DC40_TRUST');
--2、根据USER#号来命名新的用户名称(用户名称要大写)
UPDATE USER$ SET WHERE USER#=104;
commit;
--3、数据检查,保证数据库的一致性
ALTER SYSTEM CHECKPOINT;
--4、清除缓存
ALTER SYSTEM FLUSH SHARED_POOL;
--5、更改密码
ALTER USER DC40_TRUST_BAK IDENTIFIED BY DC40_TRUST_BAK;
--注:
--在修改完用户名后需要重新设置用户密码:
alter user XX IDENTIFIED BY VALUES '未修改用户名之前password字段中村抽的已加密的字符串'
--注:
--在操作过程中有可能会导致用户被锁
--查看被锁的用户
select LOCK_DATE,username from dba_users where username='USERNAME';
-- LOCK_DATE为空说明没有锁定,,非空为锁定。
--解锁方法
ALTER USER USER_NAME ACCOUNT UNLOCK;

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