The views are very tricky. Sometimes they help performance and sometimes they negatively impact performance. Recently, during Comprehensive Database Performance Health Check, I realized that one of the view was the real performance killer. The challenge was to identify column used in a view. We decided to open the view and list all the columns but that was very cumbersome tasks. Finally, we decided to write a script which can help identify columns used in a view.Â
SQL SERVER – FIX: RequireKerberos Error During SQL 2008 Installation on Windows 2008 R2 Cluster
Today the progress made in technology is astounding and beyond our imaginations, but still there are clients who can’t move to higher, latest and greatest version of SQL so easily. They are still stuck with SQL 2005 and SQL 2008 SQL servers. In this blog post we will learn how to fix RequireKerberos Error During SQL 2008 Installation on Windows 2008 R2 Cluster.
SQL SERVER – Msg 1833 – File Cannot be Reused Until After the Next BACKUP LOG Operation
While preparing for a demo for an upcoming session, I came across an error which I didn’t see earlier. Here is the error in the UI and it is related to Backup Log Operation.Â
SQL SERVER – FIX: Msg 35250 – The Connection to the Primary Replica is Not Active. The Command Cannot be Processed
Earlier I wrote a blog on same error message which you can read from below link. SQL SERVER – FIX: Msg 35250, Level 16, State 7 – The Connection to the Primary Replica is Not Active. The Command Cannot be Processed
Free Webcast – 3 Common Mistakes to Kill SQL Server Performance – My Best Online Presentation
Lots of people ask me what is the one thing which I am very much proud of in my life. The answer is very simple, I am very much proud of the webcast, which I have done for Group By Conference 3 Common Mistakes to Kill SQL Server Performance. You can watch the video at any of the following location:
How to Count Week Days Between Two Dates? – Interview Question of the Week #132
Question: How to Count Week Days Between Two Dates?
WordPress – All the IP Addresses of Comments are Same and of Local Server
Recently I walked into a very interesting situation with this blog. As many of you may know that this blog is hosted on Linux server and runs with MySQL and PHP. Self-hosted WordPress is the platform for this blog.
SQL SERVER – Invalid Object Name ‘master.dbo.spt_values’ in Management Studio
One of my clients contacted me for On Demand (55 minutes) as they believed that this was a simple issue. John was honest enough to confess the mistake which he has done, which lead to error related to invalid object name.
SQL SERVER – Can I Delete Always On Availability Groups Initial Sync Folder?
This was one of an interesting question which I heard from one of my clients who deployed AlwaysOn availability groups. I was not able to find much documentation and clarity so did some research and found an answer. This can also be an interview question as well.
SQL SERVER – Interesting Observation – Count of Temporary Table Re-generations
The best part of my SQL Server Performance Tuning Practical Workshop is that at the end of the workshop we spend quite a good amount of time to solve the issues users have in their production system. During one of the recent workshop, I was asked a very interesting question  about temporary tables.