This is very short note announcing details about my course details for ‘Training MS SQL Server 2005/2008 Query Optimization And Performance Tuning’.
SQL SERVER – Removing Key Lookup – Seek Predicate – Predicate – An Interesting Observation Related to Datatypes
Recently, I have been working on Query Optimization project. While working on it, I found the following interesting observation. This entire concept may appear very simple, but if you are working in the area of query optimization and server tuning, you will find such useful hints. Before we start, let…
Read MoreSQL SERVER – How to Enable Index – How to Disable Index – Incorrect syntax near ‘ENABLE’
Many times I have seen that the index is disabled when there is large update operation on the table. Bulk insert of very large file updates in any table using SSIS is usually preceded by disabling the index and followed by enabling the index. I have seen many developers running…
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SQL SERVER – Comic Slow Query – SQL Joke
Community TechDays at Ahmedabad was a great successful event. In fact, this can be considered the biggest event held in Ahmedabad thus far along with the community. I have posted a detailed report of the same at Community TechDays in Ahmedabad – A Successful Event. After the event, I received many emails requesting the comic slow query I had shown in my presentation.
SQL SERVER – Query Optimization – Remove Bookmark Lookup – Remove RID Lookup – Remove Key Lookup – Part 3
Earlier I have written two different articles on the subject Remove Bookmark Lookup. This article is as part 3 of the original article. Please read the first two articles here before continuing reading this article.
SQL SERVER – Query Optimization – Remove Bookmark Lookup – Remove RID Lookup – Remove Key Lookup – Part 2
This article is follow up of my previous article SQL SERVER – Query Optimization – Remove Bookmark Lookup – Remove RID Lookup – Remove Key Lookup. Please do read my previous article before continuing further. I have described there two different methods to reduce query execution cost. Let us compare…
Read MoreSQL SERVER – Query Optimization – Remove Bookmark Lookup – Remove RID Lookup – Remove Key Lookup
Today, I would like to share one very quick tip about how to remove bookmark lookup or RID lookup. Let us first understand Bookmark lookup or RID lookup. Please note that from SQL Server 2005 SP1 onwards, Bookmark look up is known as Key look up. When a small number…
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