When writing T-SQL, a lot of developers use either COALESCE or ISNULL in order to provide a default value in cases where the input is NULL. The two functions do have quite different behavior and it is important to understand the qualitative differences between them when using them in your code.
This article looks at the bulk-logged recovery model in depth and examines how it affects disaster recovery and logging.
Security is becoming more of an issue for mobile devices as we store and access more information on them all the time.
Steve Jones talks about security, and the developer's role in ensuring secure code.
The Term 'Big Data' is nothing more than a fad, and we'll soon be cringing with embarrassment at the thought that we ever used it. However, the data, and the challenges to processing it that it presents, will stay with us. If jargon like 'Big Data' helps us focus on the problems, then let’s use it: temporarily, perhaps.
Red Gate Software has released SQL Backup Pro 7 with pioneering new features focused on SQL Server backup verification. SQL Backup Pro 7’s step-by-step scheduling wizards aim to simplify the process of restoring and verifying backups.
This Friday Steve Jones is looking to see how you might like to improve your educational materials. With the success of our Stairway Series, we are looking to find better ways to teach people about SQL Server.
With SSIS, you can perform a lookup on data in the course of a task, using referenced data from any OLE DB source. It is a useful feature that enables you to check on the validity of data, or interpret it before proceeding. Robert Sheldon explains.
Steve Jones talks about XML and how it will be more and more important for DBAs to understand this in the future.
The 2012 Exceptional DBA awards are back. Learn how you can enter and win a trip to the 2012 PASS Summit.
Reading tutorials is fine. Shipping something is better. If you are trying to break...
By Steve Jones
We work hard at Redgate, though with a good work-life balance. One interesting observation...
By Arun Sirpal
Fourth in a series on Ai and databases. What Read-Only Advisory Actually Means A...
Hello , I would like to run a stored procedure on a secondary replica...
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I run this command to start SQLCMD:
sqlcmd -S localhost -E -c "proceed"At the prompt, I type this (the 1> and 2> are prompts):
1> select @@version 2> goWhat happens? See possible answers