Applying Data Normalization to an Entity Relationship Diagram скачать в хорошем качестве

Applying Data Normalization to an Entity Relationship Diagram

This video shows you how to apply Data Normalization to an Entity Relationship Diagram (ERD). Normalization is a specific technique which can be applied after top-down Information Modeling, but is better done during modeling to reduce the impact of change. This video will teach you the different levels of Data Normalization – First, Second and Third Forms – the most typically applied to obtain data non-redundancy in an organization. You will learn: Definition of Normalization First Form Normalization Second Form Normalization Third Form Normalization Forming an ERD from Third Form Normalization The Benefits and Limitations of Normalization. An ERD is an essential analysis tool for business people as well as input for software/database developers. The skills presented in this video can be used to analyze any sized business. This is an extract from a comprehensive course on Business Information Analysis on my websites at: www.LogicalConclusionsInc.com www.BusinessAnalysisVideos.com