"CREATE USER" - Creating a User Name in a Database in SQL Server

Q

How To Create a User Name in a Database in SQL Server?

✍: FYIcenter.com

A

User names are security principals at the database level. If you want to allow a login name to access a specific database, you need to create a user name in that database and link it to the login name.

Creating a user name can be done by using the "CREATE USER" statement as shown in this tutorial exercise:

-- Login with "sa"

-- Create a login
CREATE LOGIN Fyi_Login WITH PASSWORD = 'IYF'
GO

-- Select a database
USE FyiCenterData;
GO

-- Create a user and link it to a login
CREATE USER Fyi_User FOR LOGIN Fyi_Login;
GO

Login name "Fyi_Login" should be able to access database "FyiCenterData" through user name "Fyi_User".

⇒ sys.database_principals - Listing All User Names in SQL Server

⇐ "DROP LOGIN" - Deleting a Login Name in SQL Server

⇑ Managing Security, Login and User in SQL Server

⇑⇑ SQL Server Database Tutorials

2016-10-19, 1137👍, 0💬

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Finding the Login Name Linked to a Given User Name in SQL Server
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How To Change a Login Name in SQL Server? If you want to change a login name, you can use the "ALTER LOGIN" statement as shown in this tutorial example: -- Login with "sa" -- Change login name ALTER LOGIN Fyi_Login WITH NAME = Dba_Login; GO -- View login names SELECT name, sid, type, type_desc FROM ... 2016-10-19, 1223👍, 0💬

"DROP LOGIN" - Deleting a Login Name in SQL Server
How To Delete a Login Name in SQL Server? If you don't want to keep a login name any more, you should delete it by using the "DROP LOGIN" statement as shown in this tutorial example: -- Login with "sa" DROP LOGIN Dba_Login; GO Command(s) completed successfully. -- View login names SELECT name, sid, ... 2016-10-19, 1221👍, 0💬

"ALTER LOGIN" - Changing the Password of a Login Name in SQL Server
How To Change the Password of a Login Name in SQL Server? If a developer lost the password of his or her login name, you can reset the password with the "ALTER LOGIN" statement as shown in this tutorial example: -- Login with sa ALTER LOGIN FYI_DBA WITH PASSWORD = 'fyicenter'; GO Command(s) complete... 2016-10-20, 1189👍, 0💬

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