Tag Archives: Performance
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When should I add an index?
7April 19, 2017 by Kenneth Fisher
We all know indexes are good and I’m hoping everyone knows you can have too many indexes. That means we …
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Increasing and decreasing the performance level of your Azure SQL Database
Leave a commentMarch 29, 2017 by Kenneth Fisher
One of the big benefits of Azure, and in fact any of the cloud offerings I’ve seen, is the ability …
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Queries with optional parameters
20February 27, 2017 by Kenneth Fisher
These are those queries where you are pulling for, let’s say, a first name, a last name, a state, and/or …
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New indexes, hypothetically
1November 2, 2016 by Kenneth Fisher
I saw something like this the other day. My first thought was “Hu, never seen that before.” My second thought …
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Natural vs Artificial Primary Keys
6August 29, 2016 by Kenneth Fisher
There has been a long standing debate over the use of a natural primary key vs an artificial one. I …
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RBAR vs Batch
10August 17, 2016 by Kenneth Fisher
Many years ago Jeff Moden (of SQL Server Central fame) came up with the concept of RBAR. Row-By-Agonizing-Row. At it’s …
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Is the network your last performance bottleneck?
6July 18, 2016 by Kenneth Fisher
Let’s say your company relies on the cloud for its servers (or maybe not, on premise networks have more options …
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Altering a column in a large table: A case study
20July 14, 2016 by Kenneth Fisher
Fair warning, this is a discussion piece. I had a task, I went through several possibilities and I’m going to …
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Comparing the contents of two tables
16May 12, 2016 by Kenneth Fisher
I’ve been working on tuning a query for the last week and I’ve had to make several changes to the …
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The risks of Delayed Durability
3April 12, 2016 by Kenneth Fisher
It’s T-SQL Tuesday again and this month we are hosted by Jens Vestergaard (b/t) who want’s us to talk about …
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SQL Studies 