What's a good use for a UNIQUE filtered index?Commented on: 3 years ago
(November 17, 2011)
I've used them in a manner similar to Rafi, where a given entity has multiple attributes, only one of which can be active (IsActive = 1) at a time. In the past we used a trigger to enforce this...
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Browse back issues of SQL Server Pro, from January 2007 through the last issue published in April 2014. Find the back issues here.
Don’t let bad data sneak up on you when and where you least expect it. Ferret out bad data with Melissa Data’s newest Profiling Component for SSIS. Learn how to take control of your data using knowledge-base-driven metadata. The truth shall set you free!...More
In my previous post, I provided a high-level outline of the core logic (and rationale behind that logic) that would be needed to set up regular synchronization checks on SQL Server Agent Jobs for servers where AlwaysOn Availability Groups have been deployed. In this post, I’ll walk through the steps--and the code--needed to setup those checks....More
Now that we’ve outlined the process to let servers in a SQL Server AlwaysOn Availability Group "talk to each other" by means of setting up linked servers, it’s possible to set up some additional or improved checks on Availability Group Health....More