19 October 20241. Overview of Codd’s Rules for Normalising a DatabaseE.F. Codd, the founder of relational database theory, introduced database normalisation to reduce redundancy and improve data integrity. His normalisation process is divided into stages, known as normal forms (NF). Each step addresses specific types of anomalies that can occur in a poorly designed database. Below are the key normalisation rules:2. Codd's Normal FormsFirst Normal Form (1NF):Each table must have atomic values (no multiple values in a single field).Every column should...
Showing posts with label #IT. Show all posts
Showing posts with label #IT. Show all posts
