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
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
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
Working in the corporate world can be a challenge and most of us muddle through our careers without really having any formal training. Andy Warren has spent time proactively working on his career and learned a great many tips and tricks for succeeeding as an employee and a manager. He brings us a few book reviews that might help you cope with the strange corporate world in which so many of us work.
2007-05-23
2,578 reads
2007-05-23
3,524 reads
By DataOnWheels
I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...
By alevyinroc
Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
By Steve Jones
We have multiple teams (8) working on Redgate Monitor. Some work on the Standard...
Comments posted to this topic are about the item The day-to-day pressures of a...
Comments posted to this topic are about the item The Problem Isn't Always Your...
Comments posted to this topic are about the item Identity Defaults
What happens when I run this code?
CREATE TABLE dbo.IdentityTest
(
id int IDENTITY(10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
See possible answers