SQL Server - "ALTER USER" - Changing the Name of a Database User in SQL Server

"ALTER USER" - Changing the Name of a Database User in SQL Server

Q

How To Change the Name of a Database User in SQL Server?

✍: FYIcenter.com

A

If you want to change the name of an existing database user, you can use the "ALTER USER" statement as shown in the tutorial exercise below:

-- Login with "sa"

USE FyiCenterData;
GO

ALTER USER Fyi_User WITH NAME = Dba_User; 
GO

-- List all user names
SELECT name, sid, type, type_desc 
   FROM sys.database_principals WHERE type = 'S';
GO
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
Dba_User             0x5EB8701EAEBAA74F86F... S    SQL_USER

The of the last user changed from "Fyi_User" to "Dba_User".

⇒Managing Security, Login and User in SQL Server

⇒⇒SQL Server Database Tutorials

2017-08-25, 979👍, 0💬

Verifying a User Name with SQLCMD Tool in SQL Server
How To Verify a User name with SQLCMD Tool in SQL Server? The quickest way to verify a user name in a database is probably to use the SQLCMD tool. You can connect to the server, select the database, and check which user name is linked the current login name as shown below. Start a command window and... 2017-08-25, 720👍, 0💬

Finding the Login Name Linked to a Given User Name in SQL Server
How To Find the Login Name Linked to a Given User Name in SQL Server? If you know a user name in a database and you want to find out which login name is linked this user name, you need to check the Security ID (SID) of the user name based on the following rules: Each login name is associated a uniqu... 2017-08-25, 648👍, 0💬

How do I call MySQL SP from oracle using HS link ?
How do I call MySQL Stored Procedure from oracle using HS link ? HS link is correct and I can get the tables data just by adding '@' at the end of the table name ,but I can't call the SP same way ! Help please. 2017-01-11, 610👍, 0💬

"DROP USER" - Deleting a Database User in SQL Server
How To Delete an Existing Database User in SQL Server? If 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 FyiCenterData; GO DROP USER Dba_User; GO -- List all... 2017-08-25, 607👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.