Tim Ford's Top 5 Indexing Best Practices
All I can really add to this is, yeah, me too. If you want some absolutely great advice on indexes, read this post. It’s a must. And might I add, I’ve been the bad guy in Tim’s example. Once, many,...
View ArticleSpatial Data Hurts My Brain
I’m still barely scratching the surface working with spatial data in SQL Server 2008. We’ve ported some of the data into a table where we built a geography spatial data column and we’re begginning to...
View ArticleSpatial Indexes and a Lack of Data
I was feeling quite confident about my new-found abilities with spatial indexes so I did a presentation for my team, to share what I had learned. I had also been sharing with one co-worker as I...
View ArticleSQL University: Introduction to Indexes
For some crazy reason (probably everyone is on vacation), Jorge Segarra (blog|twitter) who runs SQL University has asked me to submit some material. I’ve got three posts, all coming up next week, that...
View ArticleSQL University: Introduction to Indexes, Part the First
Right, all eldritch tomes are to be closed and Elder Signs are to be put away during this course. Welcome to the History department here at the Miskatonic branch of SQL University. Why the History...
View ArticleSQL University: Introduction to Indexes, Part the Second
Welcome once more to the Miskatonic branch of SQL University. Please try to concentrate. I realize the whipoorwills singing outside the window in a coordinated fashion that sounds almost like laboured...
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SQL University: Introduction to Indexes, Part the Third
Nice to see most of you have managed to fight your way through the shoggoths outside to attend another lecture at the Miskatonic branch of SQL University. This will be the third and final part of the...
View ArticleSQL University–Recommendations for a Clustered Index
Welcome, SQL University Students to another extension class here at Miskatonic University, home to the Fighting Cephalopods (GO PODS!). Never mind the stains on the floor, or the walls…or those really...
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 ArticleThe CASE Statement and Performance
In case you don’t know, this query: UPDATE dbo.Test1 SET C2 = 2 WHERE C1 LIKE '%33%'; Will run quite a bit slower than this query: UPDATE dbo.Test1 SET C2 = 1 WHERE C1 LIKE '333%'; Or this one: UPDATE...
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