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Against sp_hexadecimal and sp_help_revlogin

Andy Mallon says it’s time to give up a couple of procedures:

We recently ran into some performance problems with our login sync, which is based on sp_hexadecimal and sp_help_revlogin, the documented & recommended approach by Microsoft.

I’ve been installing & using these two procedures since I started working with SQL Server, back at the turn of the century. In the nearly two decades since, I’ve blindly installed & used these procedures, first on SQL Server 2000, and then on every version since… just because that’s the way I’ve always done it. But our recent performance problems made me rethink that, and dive in to take a look at the two procedures to see if I could do better, which made me realize, OHBOY! WE CAN DO BETTER!!

Read on to understand how.

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