Understanding Scans And Seeks
Whether a query uses Scan or Seek can have a big impact on the cost of excuting that query. This article examines when each is used and which is optimal.
Whether a query uses Scan or Seek can have a big impact on the cost of excuting that query. This article examines when each is used and which is optimal.
In this white paper we discuss two of the new features in SQL Server 2008, Star Join and Few-Outer-Row optimizations. We test the performance of SQL Server 2008 on a set of complex data warehouse queries designed to highlight the effect of these two features and observed a significant performance gain over SQL Server 2005 (without these two features).
There was a vulnerability announced in the SQL Server password system last week, but Steve Jones doesn't see this as much of an issue. Read his thoughts and see if you agree.
Tired of the truncated error history that is available for SQL Server Agent jobs in SSMS, here is a way to get deeper information - easily!
Partition alignment is a well documented best practice, but does it have any benefit on an HP EVA?
There was a vulnerability announced in the SQL Server password system last week, but Steve Jones doesn't see this as much of an issue. Read his thoughts and see if you agree.
There was a vulnerability announced in the SQL Server password system last week, but Steve Jones doesn't see this as much of an issue. Read his thoughts and see if you agree.
There was a vulnerability announced in the SQL Server password system last week, but Steve Jones doesn't see this as much of an issue. Read his thoughts and see if you agree.
How should SQL code be formatted? What sort of indentation should you use? Should keywords be in upper case? How should lists be lined up? SQL is one of those languages that will execute however you treat whitespace and capitalization. However, the way SQL is laid out will effect its readability and the time taken to review and understand it. Standardisation of code layout is an important issue, but what standard should you adopt? Rob avoids a direct answer, but tells you the sort of answers you'll need to decide upon when creating a strategy for formatting SQL code.
Data quality is important in a database, but so many people fail to implement good referential integrity. New author Marvin Elder brings us an article that looks at surrogate keys for ensuring data quality.
By Steve Jones
I’ve often done some analysis of my year in different ways. Last year I...
By Steve Jones
This was Redgate in 2010, spread across the globe. First the EU/US Here’s Asia...
By John
Today is Christmas and while I do not expect anybody to actual be reading...
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What does this code return?
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