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Jun6

SQL SERVER – Subquery or Join – Various Options – SQL Server Engine knows the Best

Pinal Dave
SQL, SQL Performance, SQL Server, SQL Tips and Tricks
SQL Joins, SQL Scripts
9 Comments
This is followup post of my earlier article SQL SERVER – Convert IN to EXISTS – Performance Talk, after reading all the comments I have received I felt that I could write more on the same subject to clear few things out. First let us run following four queries, all…
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Jun5

SQL SERVER – Convert IN to EXISTS – Performance Talk

Pinal Dave
SQL Performance
SQL Scripts, SQL Server
17 Comments

In recent training one of the attendee asked if I can show a simple method to convert IN clause to EXISTS clause so it impacts performance. Here is the simple example.

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Jun4

SQL SERVER – Generate Database Script for SQL Azure

Pinal Dave
SQL Tips and Tricks
SQL Azure, SQL Scripts, SQL Server
10 Comments

When talking about SQL Azure the common complaint I hear is that the script generated from stand-along SQL Server database is not compatible with SQL Azure. This was true for some time for sure, but not any more. If you have SQL Server 2008 R2 installed you can follow the guideline below to generate a script which is compatible with SQL Azure.

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Jun3

SQLAuthority News – Training and Consultancy and Travel – Story of Last 30 Days

Pinal Dave
Personal, SQL, SQL Server, SQL Tips and Tricks
SQL Training
4 Comments
Today’s blog post is not technical as usual. Here, I present a real story, and I also invite you all to share your thoughts or opinions on this post. I am a professional SQL Server Trainer; I also do consultation in the area of the Performance Tuning and Query Optimizations.…
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Jun2

SQL SERVER – Stored Procedure and Transactions

Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
SQL Scripts, SQL Stored Procedure
75 Comments
I just overheard the following statement – “I do not use Transactions in SQL as I use Stored Procedure“. I just realized that there are so many misconceptions about this subject. Transactions has nothing to do with Stored Procedures. Let me demonstrate that with a simple example. USE tempdb GO…
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Jun1

SQL SERVER – Precision of SMALLDATETIME – A 1 Minute Precision

Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
SQL DateTime, SQL Scripts
6 Comments
I am myself surprised that I am writing this post today. I am going to present one of the very known facts of SQL Server SMALLDATETIME datatype. Even though this is a very well-known datatype, many a time, I have seen developers getting confused with precision of the SMALLDATETIME datatype.…
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May31

SQLAuthority News – Monthly Roundup of Best SQL Posts

Pinal Dave
SQL, SQL Server, SQL Tips and Tricks, SQLAuthority News
3 Comments
After receiving lots of requests from different readers for long time I have decided to write first monthly round up. If all of you like it I will continue writing the same every month. In fact, I really like the idea as I was able to go back and read…
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SQL SERVER – Subquery or Join – Various Options – SQL Server Engine knows the Best

SQLAuthority News - Monthly Roundup of Best SQL Posts inexists-800x413

SQL SERVER – Convert IN to EXISTS – Performance Talk

SQLAuthority News - Monthly Roundup of Best SQL Posts azurescript5

SQL SERVER – Generate Database Script for SQL Azure

SQLAuthority News – Training and Consultancy and Travel – Story of Last 30 Days

SQLAuthority News - Monthly Roundup of Best SQL Posts SPTran1

SQL SERVER – Stored Procedure and Transactions

SQLAuthority News - Monthly Roundup of Best SQL Posts smalldatetimep-1

SQL SERVER – Precision of SMALLDATETIME – A 1 Minute Precision

SQLAuthority News – Monthly Roundup of Best SQL Posts

Previous 1 … 634 635 636 637 638 639 640 … 831 Next

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 117 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.


Shaivi Pinalkumar Dave is a book author and a women’s artistic gymnast.

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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