Reading a snapshot – Are there performance implications ?
My present role is to look at the performance of a large datawarehouse load. This is right up my alley, and I have be playing with all manner of performance tuning fun, indexing, execution plans,...
View ArticleReasons why your plans suck : No 56,536
I have been working with SQL server for more years than I really care to mention and like to think that I am now quite comfortable with the internals, specifically the Query Optimizer. Every so often...
View ArticlePlease please tell me now…
.. Is there something I should know, sang Duran Duran many moons ago when I was young and before I knew that query optimization was even a thing. But, it is quite a handy little line to keep in mind...
View ArticleSQL Saturday 496 Exeter – PreCon Agenda
Hi Unfortunately due to matters outside of my control, SQL Saturday 502 in Edinburgh has been cancelled, I would like to thank the team though for selecting my pre-con. Let me know if you would have...
View ArticleMy favourite wait state– ASYNC_NETWORK_IO
Sometimes it does feel that a problem is a database problem until proven otherwise. When this does occur I have had to put a lot of time and effort into demonstrating the hows and whys. One of the...
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