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May24

SQL SERVER – 2005 Retrieve Configuration of Server

Pinal Dave
SQL Tips and Tricks
SQL Scripts
4 Comments

To retrieve the full configuration of server options in SQL Server 2005, turn on show advanced options and run sp_configure. Change any option the same way.

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May23

SQL SERVER – NorthWind Database or AdventureWorks Database – Samples Databases

Pinal Dave
SQL Tips and Tricks
SQL Download, SQL Sample Database, SQL Server, SQL Server Express
70 Comments

SQL Server 2005 does not install Samples Databases by default. Here is where to get AdventureWorks, and the answer to the next question: where is NorthWind?

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May23

SQL SERVER – 2005 Explanation Left Semi Join Showplan Operator and Other Operator

Pinal Dave
SQL Tips and Tricks
SQL Joins
4 Comments

What the Left Semi Join showplan operator means, along with Left Anti Semi Join, Right Anti Semi Join and other joins you see in a text execution plan.

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May23

SQLAuthority News – Funny One Liners – Humor

Pinal Dave
Personal
SQL Humor
No Comments

Once in a while we should laugh and relax. Here are some of my favorite Funny One Liners, the same ones I often use to lighten up my presentations.

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May22

SQLAuthority News – T-Shirts in Action

Pinal Dave
SQLAuthority News
SQL T-Shirt
4 Comments

Here are the SQLAuthority T-shirts in action. Thank you for the great response; they ran out fast, so leave your request and I will see what I can do.

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May22

SQL SERVER – 2005 Comparison EXCEPT operator vs. NOT IN

Pinal Dave
SQL Tips and Tricks
SQL Index, SQL Operator, SQL Scripts, SQL Server
63 Comments

The EXCEPT operator returns distinct rows from the left query with no match on the right, just like NOT IN. Both give the same plan, but EXCEPT reads simpler.

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May21

What Is NULL in SQL Server? The Value That Isn’t a Value

Pinal Dave
SQL Tips and Tricks
Best Practices, Database, SQL Scripts, SQL Server
2 Comments

NULL in SQL Server is not zero and not an empty string. It means the value is unknown, and that changes every comparison you write. Why equals never matches, the NOT IN trap that returns nothing, and where NULL is allowed to live.

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Pinal Dave

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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 120 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.

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