Adventures In Foreign Keys 3: Why Cascading Deletes Perform Slowly

Legendreary In the last post, I looked at some issues with implementing foreign keys with cascading actions. Namely that, well, it fell apart pretty quickly just trying to set up. I didn’t even get to the point where I wanted to test all those relationships. But there’s an even worse surprise waiting for you if…
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Foreign Keys in SQL Server (video)

Foreign Keys
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Learn the basics of Foreign Keys in SQL Server: trust, join elimination, cascading deletes, and indexing child keys. Limited on time? Check out the Table of Contents below. Table of Contents: 03:46 – Foreign keys change performance 04:12 – Let’s say we have no foreign key 04:41 – This query has a join 05:05 –…
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