In a previous article I described how to use a certificate to sign a stored procedure. Part of that article showed how to copy the certificate between databases by using a backup/restore method. This article shows another method – scripting.
impersonation
And how to assign Server-Level permissions to a database user. Background In a previous article I gave an example of assigning permissions to a user and making use of the EXECUTE AS instruction. This is a very useful way of assigning database permissions in a very granular way, where a user should not have the …
Introduction Ownership chaining is one process that SQL Server uses to allow stored procedures access to tables where the user might not have permission. It has issues with stored procedures that have dynamic sql – EXECUTE AS is one solution.
Notes on SQL 