Performance tuning is such a subject that everyone wants to master it. In beginning everybody is at a novice level and spend lots of time learning how to master the art of performance tuning. However, as we progress further the tuning of the system keeps on getting very difficult. I have understood in my early career there should be no need of ego in the technology field. There are always better solutions and better ideas out there and we should not resist them. Instead of resisting the change and new wave I personally adopt it. Let us learn about DB Optimizer.
SQL SERVER – TechEd India 2013 Sessions and Relevent Pluralsight Courses
I am presenting at TechEd India 2013 two SQL Server session. You can read about my session in this blog post. Yesterday I presented on topic SQL Server Performance Troubleshooting: Ancient Problems and Modern Solutions. Today I will be presenting on the subject Indexes – The Unsung Hero. If you are at…
Read MoreSQL SERVER – Avoid Using Function in WHERE Clause – Scan to Seek
“Don’t use functions in the WHERE clause, they reduce performance.” I hear this quite often. This is true but this subject is hard to understand in a single statement. Let us see what it means and how to use the function in the WHERE clause. We will be using sample…
Read MoreSQL SERVER – Basic Explanation of SET LOCK_TIMEOUT – How to Not Wait on Locked Query
In earlier blog post SQL SERVER – Basic Explanation of Query Hint NOWAIT – How to Not Wait on Locked Query, we learned how we can use NOWAIT query hint to not wait on any locked query and return error. The Query Hint works on query and table level. There is…
Read MoreSQL SERVER – Basic Explanation of Query Hint NOWAIT – How to Not Wait on Locked Query
Everybody knows about NOLOCK Â but not everyone knows about NOWAIT. They are different and they have an entire different purpose. In this blog post we will not talk about NOLOCK but we will see how NOWAIT will work. The idea of writing about blog post is based on the question…
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SQL SERVER – Introduction of Showplan Warning
Vinod Kumar M is my very good friend, renowned SQL Server Expert. Vinod Kumar has worked with SQL Server extensively since joining the industry over a decade ago. Before joining Microsoft, he was a Microsoft MVP for SQL Server for more than 3 years. He now works with MTC as a Technology Architect. He is a well-known speaker at all major Microsoft and third party technical conferences. Here is a very interesting blog post he sent on the subject of Executon Plan. Let us learn about introduction to Showplan Warning.
SQL SERVER – Concurrency Basics – Guest Post by Vinod Kumar
This guest post is by Vinod Kumar. Vinod Kumar has worked with SQL Server extensively since joining the industry over a decade ago. Working on various versions from SQL Server 7.0, Oracle 7.3 and other database technologies – he now works with the Microsoft Technology Center (MTC) as a Technology Architect.…
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