Question: How to Compile Queries and Not Execute them?
SQL SERVER – List Query Plan, Cache Size, Text and Execution Count
I love the curious questions from people who attended the class. Here is one such question during recent SQL Server Performance Tuning Practical Workshop. Let us see the question which I received about the Query Plan.
How to Find Table Cardinality from the Execution Plan? – Interview Question of the Week #213
Question:Â How to Find Table Cardinality from the Execution Plan?
Does Parallel Threads Process Equal Rows? – Interview Question of the Week #211
Question: Does Parallel Threads Process Equal Rows?
SQL Server Performance Tuning Practical Workshop – Relaunched
In the year 2017 just for an experiment, I decided to start a SQL Server Performance Tuning Practical Workshop. I had no idea, that I will be the biggest and most popular service delivered by SQLAuthority.com. Since the year 2017, I have been delivering one or two workshops every week.
SQL SERVER – Performing IF…THEN In T-SQL With IIF Expression
Today, we are going to see one of the most underutilized features of SQL Server IIF. In SQL Server we can performance IF…THEN logic in T-SQL with IIF Expression but I hardly see it being used at most of the organization.
SQL SERVER – Optimize Key Lookup by Creating Index with Include Columns
I love query tuning and performance tuning projects. In one of the recent Comprehensive Database Performance Health Check my client had a very interesting scenario where their queries were running pretty fast earlier but gradually started to run slow and eventually started to take over 10 minutes to execute. They reached out to me to tune their slow running query. While looking at the query execution plan, there is a big key lookup operation which was actually slowing down their query. I decided to create an index with include column on that table and resolve this issue.