Live Query Statistics in SSMS draws a query plan that moves while the query runs, with a percentage beside each operator. This post tests a query with a wrong estimate on SQL Server 2025 and explains what the percentage means, why a Sort sits at zero, and how it differs from the cost percentage.
SQL SERVER – Offline, Detach and Drop – Differences – SQL in Sixty Seconds #103
if I can help them understand the difference between database status like Offline, Detach and Drop. It was very important to differences.
Are Not Equal to Operators Equal to Not In? – SQL in Sixty Seconds #102
What I love most about my job, is that I get to work with different people and answer questions. Are Not Equal to Operators Equal to Not In?
Negative Identity Column – SQL in Sixty Seconds #101
I had a very interesting story to tell about a negative identity column from my recent Comprehensive Database Performance Health Check.
Patch Your SQL Server – SQL in Sixty Seconds #100
When did you last time patch your SQL Server? I often discuss this question with my clients, I get many different kinds of answers.
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.
Keyword Join or Inner Join – SQL in Sixty Seconds #099
Have you ever wondered what is the difference between keyword Join or Inner Join? Are they same or different? If different, how are they different?