Dec 2022 Discount: Comprehensive Database Performance Health Check | Testimonials

SQL SERVER – Interesting Observation – Index on Index View Used in Similar Query

Pinal Dave
SQL, SQL Performance, SQL Puzzle, SQL Server, SQL Tips and Tricks
, ,
Recently, I was working on an optimization project for one of the large organizations. While working on one of the queries, we came across a very interesting observation. We found that there was a query on the base table and when the query was run, it used the index, which…
Read More

SQL SERVER – Execution Plan and Results of Aggregate Concatenation Queries Depend Upon Expression Location

Pinal Dave
SQL, SQL Performance, SQL Puzzle, SQL Server, SQL Tips and Tricks
I was reading the blog of Ward Pond, and I came across another note of Microsoft. I really found it very interesting. The given explanation was very simple; however, I would like to rewrite it again. Let us execute the following script. This script inserts two values ‘A’ and ‘B’…
Read More

SQL SERVER – Discussion – Effect of Missing Identity on System – Real World Scenario

Pinal Dave
SQL, SQL Puzzle, SQL Server, SQL Tips and Tricks
, , ,
About a week ago, SQL Server Expert, Imran Mohammed, provided a script, which will list all the missing identity values of a table in a database. In this post, I asked my readers if any could write a similar or better script. The results were interesting. While no one provided…
Read More