More Dynamic Management Views: sys.dm_tran_locks
I’m working on the chapter on blocking in the new book. Explaining blocking of course means explaining locks. Prior to 2005, to understand locks, you went to sp_lock. Not anymore. Now you can query...
View Article2008 Index Fragmentation
I forgot all about this, but a script I wrote on using all the new functionality of dynamic management views & functions to do index defragmentation and rebuilds got published over at SQL Server...
View ArticleEncryption and the Performance DMOs
Ever wonder what you can see in the performance oriented DMOs when stored procedures were encrypted? Me neither. But, I did get that question during my DMO presentation at the PASS Summit. I did not...
View ArticleSQL University: Index Usage
Greetings. Welcome once more to the Miskatonic University branch of SQL University. Does anyone know where to buy some camping equipment, cheap? I’ve been tagged to go an expedition to Antarctica and I...
View ArticleSQL Azure Query Tuning
SQL Azure is still SQL Server at the end of the day. This means it is entirely possible to write queries against SQL Azure that really… what’s a good word… stink. So what do you do? It’s all in the...
View ArticleOh ****!
Did you ever accidentally close SQL Server Management Studio? And, in closing SSMS, did you get the prompt that says “Save changes to the following items?” And did you, completely unthinkingly, with a...
View ArticleQuerying Information from the Plan Cache, Simplified
One of the great things about the Dynamic Management Objects (DMOs) that expose the information in plan cache is that, by their very nature, they can be queried. The plans exposed are in XML format, so...
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