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SQL SERVER – Find Owner of Database – Change Owner of Database

To find the owner of a database in SQL Server, you can use the sys.databases system view. This view contains a row for each database in the instance of SQL Server and includes a column named owner_sid which specifies the security identifier (SID) of the database owner.

Here is an example of how to use the sys.databases view to find the owner of a database:
Copy code
SELECT name, owner_sid
FROM sys.databases
WHERE name = 'YourDatabaseName'



To change the owner of a database in SQL Server, you can use the ALTER AUTHORIZATION statement. Here is an example of how to use this statement to change the owner of a database:
USE YourDatabaseName;
GO
ALTER AUTHORIZATION ON DATABASE::YourDatabaseName TO NewOwner;
GO


Replace YourDatabaseName with the actual name of your database and NewOwner with the login name or user name of the new owner.

It's important to note that to execute the ALTER AUTHORIZATION statement, you must be a member of the sysadmin fixed server role or have the ALTER permission on the database. Additionally, you cannot use the ALTER AUTHORIZATION statement to change the owner of the master, tempdb, or model databases.
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