The Key to Keys at the North Texas SQL Server User Group – 17 March
I’m visiting Dallas this week to speak at the North Texas SQL Server User Group this Thursday. I’ll be speaking about keys: primary keys, surrogate keys, clustered keys, GUIDs, SEQUENCEs, alternate keys…well, there’s a lot to cover about such a simple topic. The reason I put this presentation together is I see a lot of confusion about these topics. Some of it’s about terminology (“I can’t find anything about alternate keys in SQL Server…what the heck is that, anyway”), some of it is misunderstandings (“what do you mean IDENTITIES aren’t unique! of course they are…they are primary keys!”), some of it is just new (“Why the heck would anyone want to use a SEQUENCE?”).
We’ll be chatting about all these questions and more on Thursday, 17 March at the Microsoft venue in Irving, Texas starting at 6PM.
Attendance is free, but you need to register at http://northtexas.sqlpass.org/ to help organizers plan for the event.
Don’t worry if you don’t know about SQL Server or don’t use it: this presentation will focus on some SQL Server specific features, but the discussion is completely portable to other DBMSs.
So many of us have learned database design approaches from working with one database or data technology. We may have used only one data modeling or development tool. That means our vocabularies around identifiers and keys tend to be product specific. Do you know the difference between a unique index and a unique key? What about the difference between RI, FK and AK? These concepts span data activities and it’s important that your team understand each other and where they, their tools and approaches need to support these features. We’ll look at the generic and proprietary terms for these concepts, as well as where they fit in the database design process. We’ll also look at implementation options in SQL Server and other DBMSs.
Hope to see you there!
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