SQL Performance Archives - Page 78 of 100 - SQL Authority with Pinal Dave

SQL SERVER – AWE (Address Windowing Extensions) Explained in Simple Words

March 20, 2009

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

I was asked question by Jr. DBA that “What is AWE?”. For those who do know what is AWE or where is it located, it can be found at SQL Server Level properties. AWE is properly explained in BOL so we will just have our simple explanation. Address Windowing Extensions…

SQL SERVER – Practical SQL Server XML: Part One – Query Plan Cache and Cost of Operations in the Cache

March 17, 2009

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

Database, SQL Scripts, SQL Utility, SQL XML

I am very fortunate that I have friends like Michael Coles. Michael Coles is SQL Server and XML expert and have written many books on SQL Server as well XML. He has previously written book which I have reviewed on this blog SQLAuthority News – Book Review – Pro T-SQL…

SQL SERVER – Interesting Observation of ON Clause on LEFT JOIN – How ON Clause affects Resultset in LEFT JOIN

March 15, 2009

Pinal Dave

SQL, SQL Performance, SQL Puzzle, SQL Server, SQL Tips and Tricks

SQL Joins, SQL Scripts

Today I received email from Yoel from Israel. He is one smart man always bringing up interesting questions. Let us see his latest email first. Hi Pinal, I am subscribed to your blog and enjoy reading it. I have a question which has been bothering me for some time now.…

SQL SERVER – Profiler – Adding Filters – Observation on CPU Load

March 13, 2009

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

SQL Profiler, SQL Utility

Today I am blog about something which I found recently while working with SQL Server Profiler. Profiler can be invoked just typing profiler in command prompt. I am using Windows Vista Ultimate 32 bit (License Version) and SQL Server 2008 Development (License Version). The reason I have put “License Version”…

SQL SERVER – Difference Between Union vs. Union All – Optimal Performance Comparison

March 11, 2009

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

SQL Scripts

More than a year ago I had written article SQL SERVER – Union vs. Union All – Which is better for performance? I have got many request to update this article. It is not fair to update already written article so I am rewriting it again with additional information. UNION…

SQLAuthority News – Ahmedabad User Group Meeting February 21 2009

February 23, 2009

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks, SQLAuthority News

MVP, SQL Index, SQL User Group, SQLAuthority Author Visit

We had Ahmedabad SQL Server User Group meeting on February 21, 2009 and it was wonderful to see so many people showing up for meeting. Gradually our group is growing and more and more developers and DBA are showing up. We had two session in this meeting. From the feedback…

SQL SERVER – My Observation – Effect of Clustered Index over Nonclustered Index

February 21, 2009

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

SQL Constraint and Keys, SQL Index, SQL Scripts

Note: This article is re-write of my previous article SQL SERVER – Observation – Effect of Clustered Index over Nonclustered Index. I have received so many request that re-write it as it is little confusing. I am going to re-write this with simpler words. Query optimization is one art which…