How to modify user in oracle

Method: 1. Use the statement "update user$ set name='new username' where name='old username'" to modify the user name; 2. Use "alter user username identified by 'new password The ';' statement changes the user password.

The operating environment of this tutorial: Windows 10 system, Oracle 11g version, Dell G3 computer.

How to modify the user in oracle

For example, if you want to change the user TEXT to TEXT_BAK:

SQL> select user#,name,password from user$ where name ='TEXT';
USER# NAME PASSWORD

78 TEXT 21EDA78F89D6FACD

Change the user name

SQL> update user$ set name='TEXT_BAK' where user#=78;
1 row updated.
SQL> commit;
Commit complete.

After changing the user name, you need to clear the cache data dictionary information.

SQL> alter system checkpoint; ----强制写入数据文件
System altered.
SQL> alter system flush shared_pool; ----清楚缓存数据字典信息，强制oracle读实际数据（即更改后的数据）
System altered.

And change the user login password.

SQL> alter user TEXT_BAK identified by 'aaaaaa';
User altered.

Recommended tutorial: "Oracle Video Tutorial"

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