Technical Article

What a Data Warehouse is Not

Recently, I was at a conference, and I heard the following discussion about what a data warehouse was. One person suggested that a data warehouse was really all the old legacy systems connected by software that could access the data. By calling such a contraption a data warehouse, the organization could avoid having to do the hard and complex work of integration. There are so many problems with this federated approach to a data warehouse that they are almost not worth repeating here. But (once again!) here goes.

Technical Article

Using T-SQL CROSS APPLY and OUTER APPLY

That said, even though my personal focus is pretty much OO, I still miss stuff. SQL Server 2005 came out with the CROSS APPLY and OUTER APPLY operators and I have just started learning how to use APPLY in the last month or so. When I think I have it figured out, I am fortunate enough that some of you are interested in reading about my understanding of the technology.

Blogs

Why your data still can’t answer a simple question 

By

Every organization I talk to has the same problem dressed up in different clothes....

T-SQL Tuesday #197 Invitation – An impactful session or two from a conference

By

I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...

Did You Really Name That Default?

By

Ten years (and a couple jobs) ago, I wrote about naming default constraints to...

Read the latest Blogs

Forums

The day-to-day pressures of a DBA team, and how we can work smarter with automation and AI

By Terry Jago

Comments posted to this topic are about the item The day-to-day pressures of a...

The Problem Isn't Always Your Query or Schema... Sometimes It's Hidden Assumptions

By dbruton95

Comments posted to this topic are about the item The Problem Isn't Always Your...

Identity Defaults

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Identity Defaults

Visit the forum

Question of the Day

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