How To Delete an Existing Database User?
Submitted by: AdministratorIf you don't want to keep a database user any more, you should delete the user by using the "DROP USER" statement. This tutorial exercise shows how to delete "Dba_User":
-- Login with "sa"
USE GlobalGuideLineDatabase;
GO
DROP USER Dba_User;
GO
-- List all user names
SELECT name, sid, type, type_desc
FROM sys.database_principals WHERE type = 'S';
<pre>name sid type type_desc
-------------------- ------------------------ ---- ---------
dbo 0x01 S SQL_USER
guest 0x00 S SQL_USER
INFORMATION_SCHEMA NULL S SQL_USER
sys NULL S SQL_USER</pre>
User "Dba_User" has been deleted now.
Submitted by: Administrator
-- Login with "sa"
USE GlobalGuideLineDatabase;
GO
DROP USER Dba_User;
GO
-- List all user names
SELECT name, sid, type, type_desc
FROM sys.database_principals WHERE type = 'S';
<pre>name sid type type_desc
-------------------- ------------------------ ---- ---------
dbo 0x01 S SQL_USER
guest 0x00 S SQL_USER
INFORMATION_SCHEMA NULL S SQL_USER
sys NULL S SQL_USER</pre>
User "Dba_User" has been deleted now.
Submitted by: Administrator
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