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Redgate Blog

Redgate Data Modeler

Redgate Data Modeler

15 July 2014

Redgate Data Modeler

Redgate Data Modeler

15 July 2014

N-ary relationship types

When we design a database, we draw an entity relationship diagram (ERD). It helps us understand what kind of information we want to store and what kind of relationships there are. It is imperative that this diagram is easy to read and understand. The number of entities in a relationship is… Read more
Geoff Bones

Geoff Bones

10 April 2014

Geoff Bones

Geoff Bones

10 April 2014

Code kata 5: SOLID chess

The kata Let’s get this clear: we’re not going to write a chess-playing AI in this kata. The idea is a bit more humble: to write a program that can work out valid moves for a set of chess pieces. The purpose of this kata is to practise writing SOLID… Read more

Code Katas

SOLID

Geoff Bones

Geoff Bones

19 March 2014

Geoff Bones

Geoff Bones

19 March 2014

Code kata 4: Word ladder

Naming things can be very hard, yet a well-chosen name can really help a reader understand how your code works. This code kata is an old favorite, one that we’ve done before, but this time we’ve added an emphasis on naming things well. The kata A word ladder is a… Read more

Code Katas

Redgate Data Modeler

Redgate Data Modeler

13 March 2014

Redgate Data Modeler

Redgate Data Modeler

13 March 2014

On Keys

Today we continue our series of posts on data normalization. In the previous post on data normalization I explained what functional dependency is. Today we will talk about candidate keys in a table. Read more