sqlcmd -S .\sql-instance -q "exec sp_addsrvrolemember
'machin-name\windows-user', 'sysadmin'"
Details: https://thecodehttps://thecodeblogger.com/2019/01/09/sql-server-how-to-add-a-user-as-sysadmin-without-using-ssms/
sqlcmd -S .\sql-instance -q "exec sp_addsrvrolemember
'machin-name\windows-user', 'sysadmin'"
Details: https://thecodehttps://thecodeblogger.com/2019/01/09/sql-server-how-to-add-a-user-as-sysadmin-without-using-ssms/