Earlier I have written two different articles on the subject Remove Bookmark Lookup. This article is as part 3 of the original article. Please read the first two articles here before continuing reading this article.
SQLAuthority News – Accessing SQL Server Databases with PHP
Accessing SQL Server Databases with PHP SQL Server Technical Article Writer: Brian Swan Published: August 2008 The SQL Server 2005 Driver for PHP is a Microsoft-supported extension of PHP 5 that provides data access to SQL Server 2005 and SQL Server 2008. The extension provides a procedural interface for accessing…
Read MoreSQL SERVER – Download Logical Query Processing Poster
You can download the poster from Itzik Ben-Gan’s T-SQL Querying page over here.
Earlier this year, I had written article on SQL SERVER – Logical Query Processing Phases – Order of Statement Execution and I had asked one question to readers. I got very good response for this question. Today, I am going to discuss about one of the errata I have made there. I had displayed the Logical Query Processing order, where I had incorrectly listed the last two operations. I have listed the operations as ORDER BY first and TOP afterwards. The fact is that TOP is always executed first and ORDER BY after that.
SQL SERVER – Queries Waiting for Memory Allocation to Execute
In one of the recent projects, I was asked to create a report of queries that are waiting for memory allocation. The reason was that we were doubtful regarding whether the memory was sufficient for the application. The following query can be useful in similar case. Queries that do not…
Read MoreSQL SERVER – Query Optimization – Remove Bookmark Lookup – Remove RID Lookup – Remove Key Lookup – Part 2
This article is follow up of my previous article SQL SERVER – Query Optimization – Remove Bookmark Lookup – Remove RID Lookup – Remove Key Lookup. Please do read my previous article before continuing further. I have described there two different methods to reduce query execution cost. Let us compare…
Read MoreSQL SERVER – Query Optimization – Remove Bookmark Lookup – Remove RID Lookup – Remove Key Lookup
Today, I would like to share one very quick tip about how to remove bookmark lookup or RID lookup. Let us first understand Bookmark lookup or RID lookup. Please note that from SQL Server 2005 SP1 onwards, Bookmark look up is known as Key look up. When a small number…
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SQL SERVER – Interesting Observation – Query Hint – FORCE ORDER
SQL Server never stops to amaze me. As regular readers of this blog already know that besides conducting corporate training, I work on large-scale projects on query optimizations and server tuning projects. In one of the recent projects, I have noticed that a Junior Database Developer used the query hint Force Order; when I asked for details, I found out that the basic concept was not properly understood by him.
SQLAuthority News – Community TechDays in Ahmedabad – A Successful Event – Oct 3, 2009
Community TechDays at Ahmedabad was a great successful event. In fact, this can be considered the biggest event held in Ahmedabad thus far along with community. This event was held by Microsoft and PASS (Professional Association of SQL Server). The goal of this event was to dive deep into the world of Microsoft technologies and get trained on the latest from Microsoft. Well, we could successfully achieve the same and build real connections with Microsoft experts and community members.
SQL SERVER – Choose Right Edition of SQL Server Express for Your Application
SQL Server Express is better alternative of MySQL. I have recently helped quite a few organizations to move to SQL Server Express recently. However, one question keep on coming up quite often regarding which is the right edition for SQL Server Express. SQL Server Express have more than one edition…
Read MoreSQLAuthority News – Database Encryption in SQL Server 2008 Enterprise Edition
Database Encryption in SQL Server 2008 Enterprise Edition SQL Server Technical Article Writers: Sung Hsueh Technical Reviewers: Raul Garcia, Sameer Tejani, Chas Jeffries, Douglas MacIver, Byron Hynes, Ruslan Ovechkin, Laurentiu Cristofor, Rick Byham, Sethu Kalavakur Published: February 2008 TDE does not replace cell-level encryption, EFS, or BitLocker. This white paper…
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