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.
How to Create an Empty Table and Fool Optimizer to Believe It Contains Data? – Interview Question of the Week #204
Question: How to Create an Empty Table and Fool Optimizer to Believe It Contains Data?
Answer: Before I answer this question, I must acknowledge that I have never heard this question in my 20 years career before and I must ask you back, where do you come up with these kinds of questions.
Question: Does Sort Order in Index Column Matters for Performance?
Answer: Wow, it has been a long time since I have heard this question and the matter of fact, I have never blogged about this subject on this blog. I have received this question during my recent Comprehensive Database Performance Health Check.
Question: Do Index Reorganization Update Statistics?
Answer: No. Index Reorganization does not update Statistics of your database.
Question: How to Drop All the User Created Statistics by SQL Server?
I have been writing about how some of the interesting enhancements made with SQL Server 2016 SP1 have caught my attention. This one is a killer feature that can be of great value when you are trying to do testing. Having said that, I also want to call out that this feature has been added with SQL Server 2014 SP2 too. When you get into performance problems related to the query optimizer, then this capability will be of great advantage. In this blog post we will learn about Generate Statistics and Schema Only Copy of the Database.