My primary source of income for me is the Comprehensive Database Performance Health Check for any application using SQL Server. Recently, I was hired by a large organization which was struggling with the poor performance of their Microsoft Dynamics CRM. They had recently upgraded their SQL Server to the latest version of SQL Server and were facing slow queries, slow loading of the pages as well as white screens in the applications.
SQL SERVER – Simple Method to Extract Scale Part From Decimal Number
In my earlier post on “SQL SERVER – Different Methods to Extract Scale Part From Decimal Number”, I had shown you how to extract only the decimal part from a number. The post had three different methods to Extract Scale Part From Decimal Number. Recently I have found a very simple method to extract the decimal part and want to share with my blog readers.
SQL SERVER – Scripts to Overview HADR / AlwaysOn Local Replica Server
Today, I have received a very interesting script from SQL Server Expert Dominic Wirth. He has written a very helpful script which displays a utilization overview of the local availability group replica server. The overview will contain the number of databases as well as the total size of databases (DATA, LOG, FILESTREAM) and is group by following two categories
Which is Optimal – TOP 0 OR WHERE 1 = 2? – Interview Question of the Week #190
Question: Which is Optimal – TOP 0 OR WHERE 1 = 2?
Answer: They both are the same!
Alphabets – SQL SERVER – Retrieving Rows With All Alphabets From Alphanumeric Data
I got an email from one of my blog readers asking for an easy way to identify if a given string contains only alphabets. There can be methods.
SQL SERVER – Applying NOLOCK to Every Single Table in Select Statement – SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
The other day, during SQL Server Performance Tuning Practical Workshop, I walked into a very interesting situation. While tuning a query we had a situation when we had to check if the query is locked during the execution of not. To test our theory out we had to put a nolock hint for every single table of the long query. However, it was no way possible to do so as the Stored Procedure was super huge and involved over 90 tables and 14 views in multiple SQL Statements. It was indeed a huge challenge for a developer team to modify that SP. If you ever face such situations, you should not stress out. There is a much simpler way to read uncommitted data.
How to Move SQL Server MDF and LDF Files? – Interview Question of the Week #189
Question: How to Move SQL Server MDF and LDF Files?