Month: September 2020

Plansplaining, part 11. Merge plans

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Welcome to part eleven of the plansplaining series. You will have noticed that this is no longer a monthly series. But when I was asked recently to provide some insight in how a MERGE statement is reflected in an execution plan, I realized that the plansplaining format works fine for this. But first a word of warning. The MERGE statement, introduced in SQL Server 2008 as an easier alternative for “delete / update / insert” logic, turned out to have issues when it was released. And now, in 2020, many of those issues still exist. So I’ll just point you…

The SQLServerFast Execution Plan Video Training: an update

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Almost half a year has passed since I released the first set of videos of the SQLServerFast Execution Plan Video Training. During this time, I have been working hard to ensure that the next set of videos is even better! As I am now getting ready to finish the last work on that second set of videos, I had to reorganize how and where I had located the videos. This means that links you may have saved will probably not work anymore. New location All existing content is still available, just at a different location. The basic level of block…

T-SQL Tuesday #130 – Automated restores

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It’s September 2020, and it’s time for T-SQL Tuesday. Our host, this time, is Elizabeth Noble (b|t). And her theme of choice is automation. Not automating the work of others, our day to day job, but automating our own work. To limit the risk of error, to reduce the stress, and simply to avoid boredom from doing the same thing over and over again. I don’t really automate many of my tasks. My work focuses more on writing and optimizing tuning, and less on database administration. That means I do less repetitive tasks than many DBAs do. That said, one…
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