Terry is a BI Developer in London, focusing on DataWarehouse design and Reporting using SQL Server SSIS/SSAS/SSRS.
The purpose of normalisation is to remove redundancy and prevent conflict. 1st Normal Form (1NF) – Every field can have only one value. No repeating value and no repeating groups. From wikipedia: A relation is in first normal form if the domain of each attribute contains only atomic values, and the value of each attribute […]