After the blog posts, lots of people asked me to build a video so here is the video discussing the topic of Tuning Query Cost 100%.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
UPDATEUSAGE and Space: What It Fixes and What It Does Not
UPDATEUSAGE and space are two jobs: the command corrects page and row counts but frees no space. See a test where it finds nothing and a rebuild shrinks the table.
Cost Relative to the Batch: Why One Query Shows 100%
Cost relative to the batch is a share of estimated cost. See why one query shows 100% and when the percent points at the wrong statement.
Experience – My Very First YouTube Live
My very first YouTube Live started with a microphone problem. Here is my honest look at what went well, what I must improve, and the topics we covered.
SQL SERVER – Legal CASE Defaults and Row Dependent Values
A CASE Expression can appear in a default, but cannot reference another row column there. My earlier blanket prohibition was incorrect.
Queries Using Specific Index – SQL in Sixty Seconds #180
The challenge I face is that often DBAs ask me to prove that indexes are really not used by queries. Let us learn about Queries Using Specific Index.
Self-Referencing Foreign Keys: Managers, Employees and Deletes
Delete a manager and SQL Server says no, which is good. See how to reassign reports safely and how to catch loops the foreign key allows.
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.

