Many times people come across the Coalesce function and think that it is just a more powerful form of ISNULL. In actuality, I have found it to be one of the most useful functions with the least documentation. In this tip, I will show you the basic use of Coalesce and also some features you probably never new existed.
2008-07-03
7,361 reads
The problem arises when the hierarchy level increases as SQL Server is limited to 32 levels of recursion. We need a better way to implement recursive queries in SQL Server 2005. How do we do it?
2008-07-02
5,894 reads
This article is Part 2 in the series which explores the options available in SQL Server 2005 for Slowly Changing Dimensions
2008-07-02
2,805 reads
When a team is developing a database application, it is a mistake to believe that deployment is a simple task. It isn’t. It has to be planned, and scripted. Alexander Karmanov describes many of the problems you’re likely to meet, and provides an example solution that aims to save the DBA from the nightmare complexity of an unplanned deployment.
2008-07-01
3,321 reads
How you use dynamic SQL, when you should - and when you should not.
2008-07-01
4,990 reads
When you find out how easy it is for insiders to hack SQL Server databases with a few free security tools and a little luck, you'll re-examine your database security practices.
2008-06-30
8,714 reads
We occasionally come up with a requirement that would be a good fit for a CLR function or stored procedure. For instance we would like to call a stored procedure to get the list of files in a particular folder. How can we return the list of files as a standard result set (i.e. rows and columns) using the CLR?
2008-06-30
4,802 reads
See an example of using the Many-to-Many dimension in SQL Server 2005 Analysis Services to analyze sales data, and get ideas for other uses such as treating medical conditions, software testing, and more.
2008-06-27
2,788 reads
SQL Server expert Denny Cherry explains how SQL Server determines how much memory is used for procedure and buffer cache and how you can allocate available memory.
2008-06-27
4,307 reads
This new series examines methods and procedures to check the status of the Operating system, SQL Server instances and databases, using Windows PowerShell. Part One illustrates how to create a PowerShell script to ping the host machine and how to source the PowerShell function and call the function.
2008-06-26
4,215 reads
By HeyMo0sh
As someone who works in DevOps, I’m always focused on creating systems that are...
By Brian Kelley
I am guilty as charged. The quote was in reference to how people argue...
By Steve Jones
Learn how to tie a bowline knot. Practice in the dark. With one hand....
Comments posted to this topic are about the item Restoring On Top II
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Comments posted to this topic are about the item Breaking Down Your Work
I have a database, DNRTest, that has a number of tables and other objects in it. The other day, I was trying to mock up a test and ran this code on the same server:
-- run yesterday CREATE DATABASE DNRTest2 GO USE DNRTest2 GO CREATE TABLE NewTable (id INT) GOToday, I realize that I need a copy of DNRTest for another mockup, and I run this:
-- run today USE Master BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO RESTORE DATABASE DNRTest2 FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens? See possible answers