Today’s blog post created from a recent conversation with one of my customers. They asked me a very interesting question – “When should they hire me for my famous Comprehensive Database Performance Health Check?”. I send them following 10 questions and told them to take a quick quiz about their SQL Server Environment. They replied back to with YES to all the answers. If the answer to any of the following questions in YES, that means user can for sure improve your SQL Server’s Performance. After taking this quick test, my customer realized that they have amazing potential to improve the performance of their server.
SQL SERVER – DBCC SHRINKFILE: Page 1:26423878 Could not be Moved Because it is a Work Table Page – TempDB Files
This blog is an outcome of an email communication with my client. The issue was that they were having big tempdb files. They had multiple files and of uneven size. As soon as they restart SQL, the initial size itself was huge and when they tried to shrink the TempDB database, it was not doing anything. Here was the message in SQL Server Management Studio query window.
SQL SERVER – sp_readrequest – Long Running Process
Just another day while doing performance tuning engagement, Senior DBA of the organization and I both noticed that one of the SP sp_readrequest is continuously listed as long running SP. Well, the good part was that it was not taking too much of the resources. The page read and write were pretty low and the SP was not blocking anything at all. Initially we decided to ignore this SP as there were quite a lots of other things which we needed to take care to get maximum performance of the server.
How to Find How Many Rows Each Query Returned Along with Execution Plan? – Interview Question of the Week #115
Question: How to Find How Many Rows Each Query Returned Along with Execution Plan?
SQL SERVER – Microsoft.SqlServer.Management.Sdk. Sfc.EnumeratorException: Failed to Retrieve Data for This Request
If you work with a product for a long time, you would start loving it. I have worked with many other RDBMS, but my love to SQL Server will never die. The amount of information available in logs is very helpful and can help in pointing the exact issue related to retrieve data.
SQL SERVER – Availability Group Missing or Deleted Automatically?
As a part of my passion, I try to help people in fixing simple issues and explain the behavior by looking at logs. Here is an email from my friend about Availability Group Missing or Deleted Automatically.
WordPress – How to Move from HTTP to HTTPS – The Simple Complete Tutorial
Since I moved our blog from HTTP protocol to HTTPS, there are plenty of questions I have received from various users to share the steps to secure your site with HTTPS. After receiving so many requests, I have decided to build a simple, complete tutorial to move Wordpress site from HTTP to HTTPS.
SQL SERVER – Maintenance Plan – Could not load type ‘Microsoft.SqlServer.Dts. Runtime.Wrapper. IDTSPackageSigning100’ from Assembly
One of my client was unable to modify the maintenance plan using SSMS. When we did various tests, we found that existing maintenance plans could execute and work. We tried creating a new maintenance plan and found it to be working. So, our issue is confined to “unable to modify existing plans”. Here is the error message
SQL SERVER – Errorlog The Server was Unable to Initialize Encryption Because of a Problem with a Security Library
One of my client was trying to start SQL Service and it was failing. I asked to hare ERRORLOG so that we will get some idea about the cause. Here is the information from ERRORLOG file.
SQL SERVER – FIX : Error Msg 8672 – The MERGE Statement Attempted to UPDATE or DELETE the Same Row More Than Once
While I have been blogging about SQL Server for a long time, I still believe that there is still a lot of error which are not discovered by me. It is always fun to see new error and find a fix for the issue. Let us see how to fix error related to MERGE statement.