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Feb24

SQL SERVER – Download SQL Server 2005 Books Online (February 2007)

Pinal Dave
SQLAuthority News
SQL Download
1 Comment

The February 2007 update of SQL Server 2005 Books Online adds new material, fixes documentation problems and covers the product changes in Service Pack 2.

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Feb24

SQL SERVER – SQL Server 2005 Samples and Sample Databases (February 2007)

Pinal Dave
SQL Performance
SQL Coding Standards, SQL Download, SQL Error Messages, SQL Joins, SQL Scripts, SQL Server Security
1 Comment

SQL Server 2005 Samples gave learners AdventureWorks and the smaller AdventureWorksLT. Why they mattered and where to find sample databases today.

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Feb20

SQL SERVER – Creating Comma Separate List From Table

Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Scripts, SQL Stored Procedure, SQL String
No Comments

This post now points to my updated script for creating a Comma Separate Values List from a table, rewritten in May 2007 to support SQL Server 2005.

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Feb15

SQL SERVER – FIX : Error 15023: User already exists in current database.

Pinal Dave
SQL Performance
DBA, SQL Cursor, SQL Download, SQL Error Messages, SQL Joins, SQL Scripts, SQL Server DBCC, SQL Server Security, SQL Stored Procedure
129 Comments

Error 15023: User already exists in current database. I fix it with sp_change_users_login, using Report, Auto_Fix or Update_One to link the user to a login.

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Feb10

SQL SERVER – Function to Convert List to Table

Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Scripts, SQL String
9 Comments

This old post now points to my updated UDF, the Function to Convert List to Table, which I rewrote in May 2007 to support SQL Server 2005.

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Feb5

SQL SERVER – Primary Key Constraints and Unique Key Constraints

Pinal Dave
SQL Performance
Database, Software Development, SQL Coding Standards, SQL Constraint and Keys, SQL Download, SQL Error Messages, SQL Index, SQL Joins, SQL Scripts, SQL Server Security
97 Comments

Primary Key and Unique Key both enforce uniqueness, but they differ in the index they create and in NULL handling. Here are the differences and the scripts.

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Feb1

SQL SERVER – UDF – Function to Convert Text String to Title Case – Proper Case

Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Scripts, SQL String
102 Comments

My UDF udf_TitleCase converts any string to Title Case, also called Proper Case. The post has a sample call, its output and the full T-SQL code of the function.

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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 18 SQL Server database 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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