oracle 給用戶改名
http://hi.baidu.com/yuzhoublog/item/666ca0c3e2a2bb47a9ba9482
/*
update user$ set name='OLD' where name='NEW';
alter system checkpoint;
alter system flush shared_pool;
alter user zz identified by zz;
*/
環境：solaris9 ORACLE 10.2.0.2
SQL> select name,user#,password from user$;
USER1 31 BBE7786A584F9103
USER2 32 1718E5DBB8F89784
比如要把USER1 改爲USER2
SQL> drop user user2 cascade;
User dropped.
SQL> update user$ set name='USER2' where user#=31;
1 row updated.
SQL> commit;
Commit complete.
SQL> alter system checkpoint;
System altered.
SQL> alter system flush shared_pool;
System altered.
SQL> alter user user2 identified by values '1718E5DBB8F89784';
User altered.
SQL> conn user2/user2
Connected.
SQL> select * from tab;
TNAME TABTYPE CLUSTERID
----------------- -------------- ----------
T1 TABLE
SQL> select count(*) from t1;
COUNT(*)
----------
4148
完畢。