Build real-time operational analytics with a filtered columnstore index, inspect batch-mode plans and rowgroups, and measure write costs.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
Median on Big Tables: PERCENTILE_CONT vs a Two-Row Seek
Two ways to get a median, one tiny demo, and the traps in NULLs, even counts and empty tables. Then measure on your own server.
SQL SERVER – Implementing IF … THEN in SQL SERVER with CASE Statements
Moving IF … ELSE logic from .NET code into a stored procedure? Here is how to rewrite it using CASE statements, with examples for SQL Server 2008 and 2012.
MYSQL – Detecting Current Version of MySQL Server Installation
How do you find the current version of MySQL Server installed on your machine? Run one simple SHOW VARIABLES command from the command prompt or MySQL Workbench.
Rebuilding System Databases With Setup When master Is Lost
Plan rebuilding system databases with Setup when master has no usable backup, then restore logins, jobs, and configuration.
SQLAuthority News – 7th Anniversary of Blog – A Personal Note
The 7th anniversary of SQLAuthority in 2013 was a chance to remember how the blog began. Saving my own DBA solutions grew into a habit of learning and sharing.
Measuring Space Used by Tables per Filegroup in T-SQL
Measure tables per filegroup from allocation metadata, include LOB and overflow pages, and separate partition placement from growth history.
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.
Want your whole team to learn it?
My Practical Workshop has no PowerPoint, just live demos. My AI Enablement Workshop shows your team where AI saves hours, and where it quietly costs them.
Over 400 customers have worked with me this way, and not one shared a password. See all consulting options.
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.

