The only way to guarantee that your business rules are always enforced for all your data is by using constraints. Learn how to use them to enforce business rules in the database.
2007-06-05
3,215 reads
In systems that require, for auditing purposes, advanced logging and reproducibility of reports between runs, a straightforward update, insert, or delete may be counter-productive. In such circumstances, a bitemporal model is necessary
2007-06-04
2,464 reads
COALESCE() accepts a series of values and a value to use in the event that all items in the list are null; then, it returns the first not-null value. This tip describes two creative uses of the COALESCE() function in SQL Server.
2007-06-01
5,777 reads
Full scan statistics update can be slow and expensive on a large system, and a single update statistics job for a whole database can easily exceed an overnight maintenance window. This article looks at jobs that could update statistics on the system in parallel.
2007-05-31
2,046 reads
Post data as coming from an HTML FORM with METHOD=POST to an URL and retrieve the result. The script uses the WinHttp.WinHttpRequest.5.1 object.Call like :exec dbo.usp_httppost 'http://www.sqlservercentral.com/search/turbo.asp','searchstring=ftp&btnG= Go &cArticles=on&cForums=on&cScripts=on&sitesearch=http://www.sqlservercentral.com'
2007-05-30 (first published: 2005-01-19)
1,799 reads
Robyn Page delves into all the things you need to know, rather than want to know, about SQL Server replication.
2007-05-30
5,363 reads
Desc : This SQL statement will provide script for backup all your jobs.-- Remark : Grow-up "maximum characters per column" (for 8192) and disable "print column headers" in 'tools' / 'options'
2007-05-29 (first published: 2005-01-12)
390 reads
Learn how to upload multiple XML files to an SQL Server 2005 database XML data type column.
2007-05-29
3,285 reads
You can use arithmetic operators in date/time calculations in SQL Server, but sometimes the date/time functions provided by Microsoft are the better option. Follow a few scenarios that demonstrate when arithmetic operators are safe and when they are risky.
2007-05-28
7,463 reads
If you would like to learn how to build and customize your very own Windows service to retrieve posts from multiple RSS feeds, and then store those posts in a SQL Server database, let John Papa guide you through his tutorial.
2007-05-25
2,081 reads
By Steve Jones
One of the things I’ve tried hard to do in database development situations if...
By DataOnWheels
The T-SQL Tuesday topic this month comes James Serra. What career risks have you...
This T-SQL Tuesday is hosted by the one and only James Serra – literally...
We have two "identical" instances of an ASP.NET web service (or so I have...
Comments posted to this topic are about the item OPENQUERY Flexibility
Comments posted to this topic are about the item A Full Shutdown
Which of these are valid OPENQUERY() uses?
See possible answers