Printed 2017/08/19 07:31AM

Where does slow performance come from?

By Grant Fritchey, 2011/03/17

TrinityHallLibraryI have my opinions and experience, and I’ve no doubt you have yours. Paul Randal (blog|twitter) has put up another one of his interesting surveys to try to collect our opinions and our experience. You should run right over to here and vote immediately.

Now that you’ve completed that, I’ll tell you what I think.

Based on my experience (neither particularly broad, nor particularly deep, but there has been quite a bit of it), I’ve mostly seen problems in code. When talking about databases, the T-SQL code. When talking about apps, the application code. This is followed not too far back by really poor database structures and poor indexing strategies. I’m sure other people have seen other things, but these really are the areas where I’ve seen the most problems. The one thing common across all of them? Knowledge. It really has been my experience that people make mistakes because they just don’t know any better. As with most things in life, knowledge is the key. Go get some.

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