Database Design

External Article

Facts and Fallacies about First Normal Form

  • Article

When discussing the normalisation process, it is always the First Normal Form that causes the most grief and confusion. Anith Sen takes up the challenge to explain, in simple terms, exactly what the First Normal Form really is, and why it is so important for Database Design. Along the way, he dispels some of the myths that have grown up around 1NF.

2009-06-09

5,827 reads

Technical Article

Perils of adding fields to database tables

  • Article

Adding a field to a database table is sometimes not as simple as it may seem. If certain situations are not considered when adding fields, you may find yourself looking at some long nights fixing database code. Today, database consultant Tim Chapman looks at two such scenarios, and how you can plan for their occurrence.

2009-03-04

4,537 reads

External Article

Constraint Yourself!

  • Article

In his first article for Simple-Talk, Joe Celko demystifies the use of Constraints, and points out that they are an intrinsic part of SQL and are a great way of ensuring that a business rule is done one way, one place, one time.

2008-10-30

2,846 reads

Blogs

How to find free space in Azure PosgreSQL

By

I wanted to figure out how big (or approximately how big) my dump file...

T-SQL Tuesday #180: Good enough is perfect Roundup

By

This month, I prompted bloggers to discuss whether good enough is perfect. Thank you to all...

Using SQL Compare with Read-only Access

By

Recently a customer asked if SQL Compare and SQL Data Compare can be used...

Read the latest Blogs

Forums

Announcing SQL Server 2025

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Announcing SQL Server 2025

Running Steve's Code

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Running Steve's Code

New SQL Server 2022 Functions

By Steve Jones - SSC Editor

Comments posted to this topic are about the item New SQL Server 2022 Functions

Visit the forum

Question of the Day

Running Steve's Code

Can you run this code in any of your SQL Server 2019 databases without error?

CREATE OR ALTER PROCEDURE [dbo].[StevesAmazingProc]
AS
    
        SELECT Consumer_ID ,
               Trend_Category ,
               Bit_Trace
        FROM    NewWorldDB.dbo.MarketTrend;
    
GO

See possible answers