Some questions never get old and some question and I believe we will be discussing them for many more years in the future. Just other days, I received this question during my SQL Server Performance Tuning Practical Workshop. The question was about Performance Comparison IN vs OR. Though personally, I have answered this question quite a many times before, let us answer it once again, it never hurts to repeat the truth multiple times.
SQL SERVER – How to Fix CONVERT_IMPLICIT Warnings?
One of the biggest issues I see with at various of my customer who signed up at Comprehensive Database Performance Health Check, is about CONVERT_IMPLICIT. As soon as I demonstrate my customer that they are not getting performance due to CONVERT_IMPLICIT their next question is how can they fix the issue of CONVERT_IMPLICIT. In this single blog post, we will learn about how to find this issue and fix it as well.
How to Generate Fibonacci Series for the First 1000 Values? – Interview Question of the Week #174
Question: How to Generate Fibonacci Series for the First 1000 Values?
How to Search Special Characters in Table Column? – Interview Question of the Week #172
Question: How to Search Special Characters in Table Column?
SQL Server – Performance Comparison of Function Trim and LTRIM(RTRIM)
While delivering SQL Server Performance Tuning Practical Workshop I recently received a question which is related to performance comparison of Trim and LTRIM/RTRIM.
SQL SERVER – Split Comma Separated Value String in a Column Using STRING_SPLIT
In this blog post, we will learn about STRING_SPLIT function which was earlier introduced in SQL Server 2016 but still not widely adopted in the industry. We will learn today how to Split Comma Separated Value String in a Column Using STRING_SPLIT.
SQL SERVER – Fix Error: Invalid object name STRING_SPLIT
Just the other day one of the readers sent me following email after reading my earlier blog post: STRING_SPLIT Function Performance Comparison. He really liked the new feature of SQL Server 2016 and decided to start using this new feature. However, as soon as he started to use this feature, he received following error. He was very much confused why he was not able to use the STRING_SPLIT function even though he had SQL Server 2016.