Database Modeling Step by: Step
by: Gavin Powell
Print Length 页数: 268 pages
ISBN-10: 0367422174
ISBN-13: 9780367422172
Product Dimensionsx 1.55 x 23.5 cm
Publisher finelybook 出版社: Routledge (17 Dec. 2019)
Language 语言: English
Book Description
By finelybook
With the aim of simplifying relational database modeling,Database Modeling Step-by: -Step presents the standard approach to database normalization and then adds its own approach,which is a more simplistic,intuitive way to building relational database models. Going from basics to contemporary topics,the book opens with relational data modeling and ends with BigData database modeling following a road map of the evolution in relational modeling and including brief introductions to data warehousing and BigData modeling. A break-down of the elements of a model explains what makes up a relational data model. This is followed by: a comparison between standard normalization and a more simplistic intuitive approach to data modeling that a beginner can follow and understand.
A brief chapter explains how to use the database programming language SQL (Structured Query Language),which reads from and writes to a relational database. SQL is fundamental to data modeling because it helps in understanding how the model is used. In addition to the relational model,the last three chapters cover important modern world topics including denormalization that leads into data warehouses and BigData database modeling. The book explains how there is not much to logical data modeling in BigData databases because as they are often schema-less,which means that BigData databases do not have schemas embedded into the database itself,they have no metadata and thus not much of a logical data model.
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