I heard an interesting comment from a client and that made me write a blog post. Their point was about table variables, temp tables, and parallel queries.
SQL SERVER – Parallelism and Threads with No Work
One of my repeat clients asked me if a query goes to parallel do they use all the threads. We can have parallelism and thread with no work.
List All Parallel Queries – SQL in Sixty Seconds #098
During the recent Comprehensive Database Performance Health Check, my client asked me if I have a query which can list all the parallel queries.
SQL SERVER – Stream Aggregate and Hash Aggregate
Recently during the on-demand consultation, I was asked a very interesting question about Stream Aggregate and Hash Aggregate.
SQL SERVER – Override Server’s Configuration of Max Degree of Parallelism
One of the interesting question: Is it possible to Override Server’s Configuration of Max Degree of Parallelism? Of course, it is possible, let us read.
SQL SERVER – T-SQL Script to Identify TOP 10 Parallel Running Queries
Today we see T-SQL Script to Identify TOP 10 Parallel Running Queries which I wrote as a part of my Comprehensive Database Performance Health Check.
Do Stream Aggregate Operator Always Need Sort Operator? – Interview Question of the Week #240
Question: Do Stream Aggregate Operator Always Need Sort Operator?
Answer: Absolutely No.Before I explain this question a bit more in detail.