Aaron Bertrand (@AaronBertrand) discusses some obstacles he recently encountered when configuring an Availability Groups lab environment and how some assistance from the community helped him isolate and solve the issues.
Aaron Bertrand (@AaronBertrand) of SQL Sentry discusses a couple of advantages and a hefty list of limitations with filtered indexes in SQL Server 2008 and above, with links to no less than 36 Connect items!
SQLskills' Joe Sack (@josephsack) walks us through an interesting scenario where we might blame a query performance issue on parameter sniffing or bad statistics, when it actually turns out that a check constraint is the best solution to keep the optimizer honest.
Jonathan Kehayias (@SQLPoolBoy) demonstrates column-side implicit conversions and the impact they can have on a workload. He concludes that you can only throw hardware at this problem for so long; a design or code change will be necessary to solve the performance issue long-term.
Erin Stellato (@erinstellato) of SQLskills.com tells us about statistics, sample size and the impact different choices can have on duration and subsequent queries.
Paul White (@SQL_Kiwi) makes some great points about limitations in SQL Server's optimizer, and things you need to watch out for, when it comes to filtered indexes.
Microsoft announced today that their next two major releases, each of which contains a major performance-related feature, will follow a naming strategy similar to the 2008 -> 2008 R2 story. Read on for more…
Glenn Berry (@GlennAlanBerry) of SQLskills.com gives some pretty strong arguments for keeping your SQL Server instances current on both Service Packs and Cumulative Updates.
Jonathan Kehayias (@SQLPoolBoy) of SQLskills.com evaluates the performance impact of query_post_execution_showplan and explains why you need to be very careful about using it in a production environment.
In an effort to encourage you to keep your SQL Server 2012 instances up to date, I wanted to highlight a slew of performance-related fixes that are mostly available only through Service Pack 1 or various Cumulative Update packages.
