In the latest Comprehensive Database Performance Health Check engagement, we had a very interesting situation of Performance Impact of Unique Index.
SQL Authority News – SysAdminDay – System Administrator Appreciation Day
System Administrator Appreciation Day or SysAdminDay is celebrated on the last Friday in July. History says the celebration started in the year 2000.
SQL SERVER – Dynamic SQL and Temporary Tables
Earlier on this blog I received following follow up question about Dynamic SQL and Temporary Tables. Let us understand a bit more in detail.
Can an Index Reduce Performance of SELECT Query? – Interview Question of the Week #234
Question: Can an Index Reduce Performance of SELECT Query? There is a huge misconception that Indexes does not impact SELECT queries negatively.
SQL SERVER – Dynamic SQL and Global Temporary Tables
During the recent work of Comprehensive Database Performance Health Check, we had a very interesting situation of Dynamic SQL and Global Temporary Tables.
SQL SERVER – Upgrade Error: The Server Principal is Not Able to Access the Database “msdb” Under the Current Security Context
The Upgrade Error messages shown in ERRORLOG was “The server principal “SQLAuthority\AuthOwner” is not able to access the database “msdb”
SQL SERVER – SQL Agent Job and Backslash – Strange Behavior
Today’s blog post is about SQL Agent Job and Backslash. I was surprised to see this behavior. Here are the steps to reproduce this behavior.
Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 22 years of hands-on experience. He holds a Masters of Science degree and numerous database certifications.
Pinal has authored 14 SQL Server database books and 104Â Pluralsight courses. To freely share his knowledge and help others build their expertise, Pinal has also written more than 5,800 database tech articles on his blog at https://blog.sqlauthority.com.
Pinal is an experienced and dedicated professional with a deep commitment to flawless customer service. If you need help with any SQL Server Performance Tuning Issues, please feel free to reach out at pinal@sqlauthority.com.
Pinal is also a CrossFit Level 1 Trainer (CF-L1) and CrossFit Level 2 Trainer (CF-L2).
Nupur Dave is a social media enthusiast and an independent consultant. She primarily focuses on the database domain, helping clients build short and long-term multi-channel campaigns to drive leads for their sales pipeline.
Is your SQL Server running slow and you want to speed it up without sharing server credentials? In my Comprehensive Database Performance Health Check, we can work together remotely and resolve your biggest performance troublemakers in less than 4 hours.
Once you learn my business secrets, you will fix the majority of problems in the future.
Have you ever opened any PowerPoint deck when you face SQL Server Performance Tuning emergencies? SQL Server Performance Tuning Practical Workshop is my MOST popular training with no PowerPoint presentations and 100% practical demonstrations.
Essentially I share my business secrets to optimize SQL Server performance.




