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.
2012-05-08
9,869 reads
This article looks at the bulk-logged recovery model in depth and examines how it affects disaster recovery and logging.
2012-05-07
7,235 reads
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.
2012-05-07
3,718 reads
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.
2012-05-04
754 reads
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.
2012-05-04
3,260 reads
The 2012 Exceptional DBA awards are back. Learn how you can enter and win a trip to the 2012 PASS Summit.
2012-05-03
724 reads
Chuck Hoffman shows a technique using sets for selecting records from hierarchies such as Manager / Employee structures.
2012-05-03
9,757 reads
SQL Server 2012 introduces three new built-in conversion functions: PARSE, TRY_ PARSE, and TRY_CONVERT. These functions were introduced to be more familiar to users of expression languages. They perform a subset of the functionality of the pre-existing conversion functions. This article will introduce these three new functions and their usage.
2012-05-03
3,858 reads
This article gives 20 tips how to modify MySQL views to make it compatible with Microsoft SQL Server.
2012-05-02
4,092 reads
The FileTable feature of SQL Server 2012 is an enhancement to the FILESTREAM feature which was introduced in SQL Server 2008. In this tip we will take a look at how to use FileTable feature of SQL Server 2012.
2012-05-02
5,245 reads
Programmatic Tool Calling with the Claude SDK Every morning somebody on the team runs the...
By Steve Jones
mauerbauertraurigkeit – n. inexplicable urge to push people away, even close friends whose company...
By Brian Kelley
Pinal Dave wrote up his methodology for what to do when you discover bad...
Comments posted to this topic are about the item Why SQL Server Database Attach...
Comments posted to this topic are about the item Fixing P1 Queries
In SQL Server 2025, I run this code:
select bit_count('A')
What is returned? See possible answers