Sep 2025 Discount: Comprehensive Database Performance Health Check | Testimonials

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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.

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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.

For SQL Server Emergency Help, you can reach out to me at pinal@sqlauthority.com with words URGENT in the email subject line for other services mention “Comprehensive Database Performance Health Check“.

SQL Authority News – Free Performance Tuning Videos

Pinal Dave
SQL Video
SQL Performance, SQL Server Configuration
No Comments

SQL Server Performance Tuning and Optimization is how I earn my bread at home. Lots of people often ask if I will be happy to teach them my SQL Server Performance tuning tricks and my answer is very simple – of course. I am always willing to help people learn about SQL Server Performance Tuning if they are willing to learn about the subject. I have created some Free Performance Tuning Videos.

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SQL SERVER – How to Write Correlated Subquery?

Pinal Dave
SQL Tips and Tricks
SQL Scripts, SQL Server, SQL Table Operation
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This is a follow-up blog post to my earlier blog post written about SQL SERVER – Writing Your First Subquery From a Single Table. In the blog post, we discuss how to write a correlated subquery and why it is actually necessary. In a query, a correlated subquery is a subquery that uses values from the outer query. Subqueries are usually running once for each row processed for outer query and that is why they are often inefficient as well.

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SQL SERVER – Writing Your First Subquery From a Single Table

Pinal Dave
SQL Tips and Tricks
SQL Scripts, SQL Server
No Comments

My primary responsibility is to help different organizations with tuning their SQL Server Performance and here is the link to my most popular service SQL Server Performance Health Check. I often encounter complicated performance problems which are not easy to resolve, however, recently during the lunch break, I was asked by Junior developer a question about writing a subquery from a single table by a Junior DBA at the organizations.

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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 14 SQL Server database books and 98 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.