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Sep28

SQL SERVER – Introduction and Example for DATEFORMAT Command

Pinal Dave
SQL Tips and Tricks
SQL DateTime, SQL Scripts
33 Comments

I found DATEFORMAT in a Jr. DBA’s code. SET DATEFORMAT sets the order of month, day and year so SQL Server can read date strings in other formats.

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Sep27

SQL SERVER – FIX : Error 3154: The backup set holds a backup of a database other than the existing database

Pinal Dave
SQL Tips and Tricks
SQL Backup and Restore, SQL Data Storage, SQL Error Messages, SQL Scripts
302 Comments

Error 3154 says the backup set holds a backup of a database other than the existing database. Use WITH REPLACE in RESTORE, or drop the old database first.

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Sep26

THROW or RAISERROR

Pinal Dave
SQL Tips and Tricks
SQL Error Messages, SQL Server, SQL Stored Procedure, SQL Transactions
1 Comment

THROW or RAISERROR changes how SQL Server handles severity, formatting, and XACT_ABORT; choose the right pattern for new procedures.

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Sep25

SQL SERVER – Effect of TRANSACTION on Local Variable – After ROLLBACK and After COMMIT

Pinal Dave
SQL Tips and Tricks
SQL Scripts, SQL Transactions
19 Comments

What is the effect of a TRANSACTION on local variable values after ROLLBACK and after COMMIT? A short example I wrote for a Jr. Developer shows the answer.

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Sep24

SQL SERVER – Order of Result Set of SELECT Statement on Clustered Indexed Table When ORDER BY is Not Used

Pinal Dave
SQL Performance
SQL Index, SQL Order By, SQL Server
5 Comments

“What will be the order of the result set of a SELECT statement on clustered indexed table when the ORDER BY clause is not used?”

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Sep23

SQL SERVER – Stored Procedure to Know Database Access Permission to Current User

Pinal Dave
SQL Tips and Tricks
SQL Cursor, SQL Scripts, SQL Stored Procedure, Undocumented SQL
5 Comments

Which databases can I use? Run EXEC sp_MShasdbaccess to see the database access permission of the current user. Our Jr. DBAs check it all the time.

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Sep22

SQL SERVER – 2005 – Version Information and Additional Information – Extended Stored Procedure xp_msver

Pinal Dave
SQL Tips and Tricks
SQL Scripts
2 Comments

EXEC xp_msver returns SQL Server version information plus server details like platform, language and file version, with no need to check Windows system info.

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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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