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Jul24

SQL SERVER – Performance Impact of Unique Index

Pinal Dave
SQL Performance
SQL Index, SQL Scripts, SQL Server, SSMS
4 Comments

In the latest Comprehensive Database Performance Health Check engagement, we had a very interesting situation of Performance Impact of Unique Index.

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Jul23

SQL Authority News – SysAdminDay – System Administrator Appreciation Day

Pinal Dave
SQLAuthority News
DBA, SQL Milestone
No Comments

System Administrator Appreciation Day or SysAdminDay is celebrated on the last Friday in July. History says the celebration started in the year 2000.

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Jul22

SQL SERVER – Dynamic SQL and Temporary Tables

Pinal Dave
SQL Tips and Tricks
Dynamic SQL, SQL Scripts, SQL Server, SQL TempDB, SSMS, Temp Table
5 Comments

Earlier on this blog I received following follow up question about Dynamic SQL and Temporary Tables. Let us understand a bit more in detail.

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Jul21

Can an Index Reduce Performance of SELECT Query? – Interview Question of the Week #234

Pinal Dave
SQL Interview Questions and Answers
2 Comments

Question: Can an Index Reduce Performance of SELECT Query? There is a huge misconception that Indexes does not impact SELECT queries negatively.

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Jul20

SQL SERVER – Dynamic SQL and Global Temporary Tables

Pinal Dave
SQL Tips and Tricks
Dynamic SQL, SQL Scripts, SQL Server, SQL TempDB, SSMS, Temp Table
3 Comments

During the recent work of Comprehensive Database Performance Health Check, we had a very interesting situation of Dynamic SQL and Global Temporary Tables.

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Jul19

SQL SERVER – Upgrade Error: The Server Principal is Not Able to Access the Database “msdb” Under the Current Security Context

Pinal Dave
SQL
SQL Error Messages, SQL Scripts, SQL Server, SQL Server Security, SQL Upgrade, System Database
No Comments

The Upgrade Error messages shown in ERRORLOG was “The server principal “SQLAuthority\AuthOwner” is not able to access the database “msdb”

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Jul18

SQL SERVER – SQL Agent Job and Backslash – Strange Behavior

Pinal Dave
SQL Puzzle
SQL Jobs, SQL Scripts, SQL Server, SQL Server Agent, SQL Stored Procedure
4 Comments

Today’s blog post is about SQL Agent Job and Backslash. I was surprised to see this behavior. Here are the steps to reproduce this behavior.

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SQLAuthority News – Rambling of Author and Technology Musing – Bing, Google, Windows 7, Books, Blogs, Twitter and Life

SQL SERVER – Order of Hotfix and Service Pack

SQLAuthority News – Using SQL Server 2008 Extended Events – White paper By Jonathan Kehayias

SQLAuthority News - Registration and Competition - TechEd on Road - Ahmedabad - June 20, 2009 Saturday errorbutton-800x800

SQL SERVER – Fix: Error 15372 Failed to generate a user instance of SQL Server due to a failure in starting the process for the user instance – The connection will be closed

SQLAuthority News - Registration and Competition - TechEd on Road - Ahmedabad - June 20, 2009 Saturday techedonroad

SQLAuthority News – TechEd On Road Ahmedabad, India is Announced – June 20, 2009 Saturday

SQL SERVER – Performance Counters from System Views – By Kevin Mckenna

SQLAuthority News – Registration and Competition – TechEd on Road – Ahmedabad – June 20, 2009 Saturday

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Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 22 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 104 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.


Comprehensive Database Performance Health Check

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.


SQL Server Performance Tuning Practical Workshop

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.


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