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It's all about permissions - Part 1 ; TSQL permissions - Logins

Hi guys!

This post is simply on TSQL permissions.

Specifically, how to script out users and logins.

Users are specific to a SQL server instance while Logins can be used across a domain (via Active Directory).

Let's get started on how to script logins.

Step 1

SELECT 'IF (SUSER_ID('+QUOTENAME(SP.name,'''')+') IS NULL) BEGIN CREATE LOGIN ' +QUOTENAME(SP.name)+ CASE WHEN SP.type_desc = 'SQL_LOGIN' THEN ' WITH PASSWORD = ' +CONVERT(NVARCHAR(MAX),SL.password_hash,1)+ ' HASHED, CHECK_EXPIRATION = ' + CASE WHEN SL.is_expiration_checked = 1 THEN 'ON' ELSE 'OFF' END +', CHECK_POLICY = ' +CASE WHEN SL.is_policy_checked = 1 THEN 'ON,' ELSE 'OFF,' END ELSE ' FROM WINDOWS WITH' END +' DEFAULT_DATABASE=[' +SP.default_database_name+ '], DEFAULT_LANGUAGE=[' +SP.default_language_name+ '] END;' COLLATE SQL_Latin1_General_CP1_CI_AS AS [-- Logins To Be Created --] FROM sys.server_principals AS SP LEFT JOIN sys.sql_logins AS SL ON SP.principal_id = SL.principal_id WHERE SP.type IN ('S','G','U') AND SP.name NOT LIKE '##%##' AND SP.name NOT LIKE 'NT AUTHORITY%' AND SP.name NOT LIKE 'NT SERVICE%' AND SP.name <> ('sa');


Note: You will need to copy your results from the results pane to migrate the logins to another SQL server instance.

Step 2 - script out the role membership to be added

SELECT 'EXEC master..sp_addsrvrolemember @loginame = N''' + SL.name + ''', @rolename = N''' + SR.name + ''' ' AS [-- Server Roles the Logins Need to be Added --] FROM master.sys.server_role_members SRM JOIN master.sys.server_principals SR ON SR.principal_id = SRM.role_principal_id JOIN master.sys.server_principals SL ON SL.principal_id = SRM.member_principal_id WHERE SL.type IN ('S','G','U') AND SL.name NOT LIKE '##%##' AND SL.name NOT LIKE 'NT AUTHORITY%' AND SL.name NOT LIKE 'NT SERVICE%' AND SL.name <> ('sa');


Note: You will need to copy your results from the results pane to migrate the logins to another SQL server instance.

Step 3 - script out the permissions to be granted

SELECT CASE WHEN SrvPerm.state_desc <> 'GRANT_WITH_GRANT_OPTION' THEN SrvPerm.state_desc ELSE 'GRANT' END + ' ' + SrvPerm.permission_name + ' TO [' + SP.name + ']' + CASE WHEN SrvPerm.state_desc <> 'GRANT_WITH_GRANT_OPTION' THEN '' ELSE ' WITH GRANT OPTION' END collate database_default AS [-- Server Level Permissions to Be Granted --] FROM sys.server_permissions AS SrvPerm JOIN sys.server_principals AS SP ON SrvPerm.grantee_principal_id = SP.principal_id WHERE SP.type IN ( 'S', 'U', 'G' ) AND SP.name NOT LIKE '##%##' AND SP.name NOT LIKE 'NT AUTHORITY%' AND SP.name NOT LIKE 'NT SERVICE%' AND SP.name <> ('sa'); SET NOCOUNT OFF


Note: You will need to copy your results from the results pane to migrate the logins to another SQL server instance.


That's it!



If you have any questions related to this post, please put them below.


Thank you and Happy reading,

-marshé hutchinson
#learnSQLwithme
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