You might have heard that SELECT * is bad for queries performance. Let us learn in today’s video how we can replace STAR (*) by column name.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
Cycle Clipboard Ring – SQL in Sixty Seconds #129
Copy (CTRL + C) and Paste (CTRL + V) are the friends of the DBAs and Developers. In SQL Server it is totally possible to use the Cycle Clipboard Ring.
SET STATISTICS IO ON – SQL in Sixty Seconds #128
I am working with clients on helping them tune their SQL Server Performance. Let us learn how we can use SET STATISTICS IO to check the query’s performance.
How to Change Database File Size? – Interview Question of the Week #296
Question: How to Change Database File Size?
Answer: By Shrinking the files. Now, many have a negative opinion about Shrinkfile.
Long-Term Backup Retention in Azure SQL Database
Configure long-term backup retention in Azure SQL Database, inspect retained recovery points, restore a separate copy, and review costs.
Performance Comparison – IN vs BETWEEN – SQL in Sixty Seconds #127
Yesterday I blogged about SQL SERVER – Performance Comparison – BETWEEN, IN, and Operators. Following that, I got many emails about the topic.
BETWEEN vs IN in SQL Server: Which One Reads Less?
BETWEEN vs IN looks like a style choice, and it is not. This post builds a demo table and measures BETWEEN, the two operators and an IN list with and without an index. It shows that BETWEEN and the operators share one plan, that IN seeks once for every value and that sparse values change the question.
SQL Server slow? Let's fix it together in about four hours.
In my Comprehensive Database Performance Health Check, you share your screen, I guide you, and we fix your biggest performance troublemakers. No passwords. No remote access.
You keep every script, and the know-how to fix it yourself next time.
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Who We Are
Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 24 years of hands-on experience. He holds a Masters of Science degree and numerous database certifications.
Pinal has authored 19 books and 125 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 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.
Shaivi Pinalkumar Dave is a book author and a women’s artistic gymnast.

