SQL Server Performance Tuning Expert - SQL Authority with Pinal Dave

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.

An Index Reduces Performance of SELECT Queries (Video)
3 Common Mistakes to Kill SQL Server Performance (Video)
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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“.

Apr23

SQL SERVER – Converting Subqueries to Joins

Pinal Dave

SQL Performance

SQL Joins, SQL Performance, SQL Scripts, SQL Server

There is always more than one way to do one thing in any programming languages. In SQL Server there is always more than one way to achieve same result set. It is quite often I see that developers write subqueries in place of joins or joins in place subqueries.

Apr22

SQL SERVER – Join Better Performance – LEFT JOIN or NOT IN?

Pinal Dave

SQL Performance

SQL Joins, SQL Scripts, SQL Server

First of all answer this question : Which method of T-SQL is better for performance LEFT JOIN or NOT IN when writing a query? The answer is: It depends! It all depends on what kind of data is and what kind query it is etc. In that case just for fun guess one option LEFT JOIN or NOT IN. If you need to refer the query which demonstrates the mentioned clauses, review following two queries for Join Better Performance.

Apr21

SQL SERVER – 2008 – Update Resolving Conflict Between SQL Server 2005 and SQL Server 2008

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Download

No Comments

I have been receiving many complains where user has installed SQL Server 2008 and when trying to install SQL Server 2005 after that installation never completed. Well, Microsoft has provided solution for this issue. Download the patch and install it first and then try to install SQL Server 2005 and…

Apr20

SQL SERVER – Identifiers As Valid Object Names

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL System Table

Previous I wrote blog post about SQL SERVER – Explanation and Example Four Part Name. It was explaining the new feature of SQL Server 2005 of Schema. Few days ago I received email from Chi-Ho, Min of Taiwan, he suggested that he was successfully able to use column without completely…

Apr19

SQL SERVER – Is Cursor Database Object or Datatype?

Pinal Dave

SQL Interview Questions and Answers

SQL Cursor, SQL Server

Whenever we want to loop something we always look for logic like WHILE LOOP or FOR LOOP. Trust me on my word that both of them are cursor when it is about SQL Server.

Apr18

SQL SERVER – Generate Foreign Key Scripts For Database

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Constraint and Keys

Regular reader of SQLAuthority.com blog Madhaiyan Seenivasan has send email with one very interesting script. This script generates all the foreign key addition script for your database. Many times there are situations where one need to drop all the foreign key and add them back. This SQL Script can be…

Apr17

SQLAuthority News – My Favorite Link of This Blog

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks, SQLAuthority News

I have written more than 500 article on this blog so far and the number is increasing. Many times I get this question, which one link do I click the most. It is very interesting for myself to read my previous articles, as I often like to read them and…

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 100 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.