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

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Happy Holidays, Let's Do Nerdy Stuff

By Grant Fritchey

Comments posted to this topic are about the item Happy Holidays, Let's Do Nerdy...

UNISTR Escape

By Steve Jones - SSC Editor

Comments posted to this topic are about the item UNISTR Escape

Celebrating Tomorrow

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Celebrating Tomorrow

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Question of the Day

UNISTR Escape

In SQL Server 2025, I run this command:

SELECT UNISTR('*3041*308A*304C\3068 and good night', '*') as "A Classic";
What is returned? (assume the database has an appropriate collation) A: B: C:

See possible answers