SqlCredit – Part 9: Message Authentication Codes
This month's installment of "Developing a Complete SQL Server OLTP Database Project" covers searching encrypted data, dictionary attacks, and look-ups by hashed value.
2007-10-01
1,557 reads
Additional Articles
The Puzzle of 'Rating Decomposition'
When reading rating information, how do you you knew how many points each separate voter gave if you only know the average rating and the number of votes? Well, you might be surprised to learn that you can figure it out using SQL
2007-10-01
1,919 reads
Isolation Levels in SQL Server 2005
Isolation levels are used to prioritize the acccess to a resource. SQL Server 2005 extends upon the support for isolation levels in 2000 with several new features including an additional level.
2007-09-28
4,452 reads
SqlCredit Part 8: Comparing Encrypt/DecryptByCert and Encrypt/DecryptByKey
Continuing with this series looking at encryption functions.
2007-09-28
2,381 reads
Avoid enclosing Indexed Columns in a Function in the WHERE clause
When a function is wrapped around an indexed column in the WHERE clause it will usually prevent the proper usage of that index. This article gives an example and discusses what other options are available.
2007-09-27
5,005 reads
A Cynic's Top Ten Tips for IT Contractors
As autumn approaches, Patrick Index produces his ten hot chestnuts for IT Contractors like himself, with a jaundiced 'contractor's-eye view'.
2007-09-26
5,583 reads
Four cool new features slated for SQL Server 2008
SQL Server 2008 (code named Katmai) is scheduled to launch in February of next year, and the code isn't slated to be released to manufacturing until Q2 2008. But database gurus don't have to wait to get a sense of what's to come because Microsoft recently released SQL Server 2008 to the community for preview.
2007-09-25
7,293 reads
The Socialization of Knowledge
This article is an excerpt from the forthcoming book, Business Metadata, to be published on or about September, 2007, co-authored by Bill Inmon, Bonnie O’Neil and Lowell Fryman, published by Morgan Kaufman.
2007-09-25
2,175 reads
DDL Triggers in SQL Server 2005
DDL Triggers are key improvement in SQL Server auditing, allowing tracking of events such as the creation of a new table, database or user.
2007-09-24
2,739 reads
Changing Service Credentials
One day, you may need to change those service credentials under which your SQL Server services normally run. If you have a number of servers, then you'll really want to read about Rodney's solution.
2007-09-21
2,360 reads
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Question of the Day
The Large Encoded Value
I want to use the new BASE64_ENCODE() function in SQL Server 2025, but return a string that isn't large type. What is the longest varbinary string I can pass in and still get a varchar(8000) returned?
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