First Responder Kit Release: We hired Brent back because he promised to fix...
March comes in like a 40 of Steel Reserve and leaves like your memory of the night after drinking a 40 of Steel Reserve. Get it here! sp_Blitz Improvements — #758 and #756 We made it less scary to run...
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From The Mailbag: DBCC CHECKDB And Read Only Databases
We got an email!!! It was weird. It was from an Australian, and it was right side up. I could hardly believe it. Normally we encourage people to ask us questions during Office Hours, or over on Stack...
View ArticleThis Is Your Backup Schedule On Drugs
I’ve seen things Terrible things. I mean, not just working here (which, as I write this, I’m three days away from the two year mark, fingers crossed!), but also out there on the internet. Once you...
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CTEs, Views, and NOLOCK
Registration is open now for the next free GroupBy conference: columnstore, Query Store, and hacking SQL Server. This is a post because it surprised me It might also save you some time, if you’re the...
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Decrypting Insert Query Plans
Registration is open now for the next free GroupBy conference: columnstore, Query Store, and hacking SQL Server. We’ve all been there Staring at a simple query that has a three mile long execution...
View ArticleFirst Responder Kit Release: Now With 100% More Working Code Than The Irish...
Every April I think about this girl I grew up with named April who smelled like Cheez-Wiz. She died tragically in a home for the blind on Taco Tuesday. Special thanks to @jeffrosenberg , @mrthomsmith ,...
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Fun With Logging Dynamic SQL
While working on a demo I thought this might make a fun aside to share on the blog, because working with dynamic SQL can be challenging. Especially if you don’t have a monitoring tool or application...
View ArticleReplacing ISNULL In A WHERE Clause
I like blogging Really, I do. But sometimes I like a change of pace. Instead of blogging about this question, I posted it over on dba.stackexchange.com. Also, I thought it was an interesting question,...
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Is it ever worth adding indexes to table variables?
Disclaimer I found this totally by accident, and it even surprised me. You can probably guess the TL;DR on this is yes, huh? Dude, where’s my table variable? I was trying to come up with a demo for...
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SQL Server vNext: Quick Rundown
ICYMI Playing with SSMS in the lab Microsoft released CTP 2 of SQL Server vNext (well, yesterday today, but who knows when this thing will hit?). There’s some great new stuff in the Engine in this...
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SQL Server 2017: Unpublished Gems
Sneaky, sneaky, sneaky Release notes never seem to tell the full story, do they? At some point, you have to take matters into your own hands and go hunting for, as Paul Harvey would say, “The Rest Of...
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SQL Server vNext: query_store_wait_stats
The missing link Back when the Query Store first got announced, I was amazed. The amount of information it gathered and persisted between reboots was such a big improvement over the plan cache, plus...
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Hold The FiIter: Startup Expression Predicates
Long distance information There was a rather interesting question posted on dba.stackexchange.com recently about CASE expression order of execution with an OR predicate. Mouthful, I know! When I saw...
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SSMS 2017 Is Now Available For Download
If you’re into that sort of thing You can head over here to download it. I just got it installed, and I’ll be updating this post as I find stuff. In case you’re curious, this is a whole new install,...
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Look Ma, Adaptive Joins
This probably won’t seem like a big deal soon But I just got the optimizer to pick an Adaptive Join! It took a few tries to figure out what would cause some guesswork to happen, but here it is. I hope...
View ArticleStatus Update On Query Plan Hash Bug
Not long ago I posted about a bugBlitzCache because Query Plan Hash in the XML was being truncated. Well, yesterday I got an email that Adam Machanic has never gotten (I kid, I kid). CLOSED AS FIXED...
View ArticleFirst Responder Kit Release: Ça plane pour moi
Ah, May. Spring has sprung, and young people’s minds turn towards seasonal allergies. Special thanks to @digitalohm for the Differential Restore code and general sp_DatabaseRestore spiffiness. May you...
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First Responder Kit Re-Release: The Hubris Of Titles
The Gods of the Copy Book Headings Frowned Upon Me So yesterday, I pushed out a new FRK. You could say I FRKed up, and you’d be right. Not so much See, before I push stuff to master, I do a round of...
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The 2017 Adaptive Join Optimization Eats Bad TSQL For Breakfast
Cheeky If you thought that title sounded familiar, you sure were right. That’s called a classical reference. So here we are, three whole years later, and yet another improvement to the engine promises...
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Anatomy Of An Adaptive Join
I don’t like it unless it’s brand new When new features drop, not everyone has time to jump on top of them and start looking at stuff. That’s what consultants with nothing better to do are for. I’ve...
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