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)
1,779 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)
382 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
This tip explores a DMX extension introduced in SQL Server 2005 SP2 that can be used to render lift reports directly in Reporting Services.
2007-05-24
3,491 reads
By Will Assaf
I recently reviewed, worked on, and added a similar example to the DATETIMEOFFSET Microsoft...
Database administrators (DBAs) are the backbone of data-driven organizations. If you're looking to break...
By Brian Kelley
Another security fundamentals topic is authentication versus authorization. For those who have a clear...
I have a SQL Server 2019 Enterprise Edition on CU 25. It has in-memory...
Experts, I am learning some skills so I can troubleshoot some performance-related issues. I...
What happens when I run this code:
SELECT p.ProductName , p.ProductCategory FROM dbo.Product AS p WITH (NOLOCK, TABLOCK);See possible answers