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
T-SQL is a powerful language, enabling you to handle many different types of set based operations. But having flexible WHERE clauses isn't something that many DBAs deal with on a daily basis. New Author Sotiris Filippidis brings us an article on how you can structure a WHERE clause to handle all types of strange business logic without using dynamic SQL. Read on to learn more about his technique.
2007-09-28 (first published: 2004-07-26)
40,088 reads
Most SQL Server instances are installed with the default values, but that's not always the way it should be. Often there is the need to "move" databases to comply with standards, free up disk space, or some other reason. Moving the system databases can be a little tricky, but author Vince Iacoboni brings us his code and technique for easily doing this for SQL Server 2005 databases.
2007-09-28 (first published: 2006-09-26)
35,760 reads
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
Continuing with this series looking at encryption functions.
2007-09-28
2,381 reads
Continuing with his series on professional development, Andy Warren takes a look at funding some of your career growth and why it pays to invest in yourself.
2007-09-27 (first published: 2006-09-25)
5,614 reads
A few proposed changes to the newsletter. Read about them and give us some feedback on what you think.
2007-09-27
582 reads
Continuing on with his series on ADTs, Yakov Shlafman takes a look at working with schema changes when your ADT is on a column used as a primary or foreign key.
2007-09-27
2,234 reads
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
We are always searching for new ways to improve the performance of our database systems. Raghavendra Narayana brings us a new article that examines an idea for rebuilding partitions and indexes based on data access: in real time!
2007-09-26
5,598 reads
No Scooby-Doo story is complete without footprints leading to a hidden passage. In SQL...
By Steve Jones
I saw an article recently about implicit transactions and coincidentally, I had a friend...
By Kevin3NF
The 10-Minute Outside-In Triage Don’t Blame SQL First It’s 9:05 AM and your helpdesk...
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I want to change the recovery time for a database running on SQL Server 2022. What are my options for setting the value in my ALTER DATABASE statement. If I run this code, what can I use in place of the xxx to define what 12 means?
ALTER DATABASE Finance SET TARGET_RECOVERY_TIME = 12 xxx;See possible answers