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Attribute domain - PowerPoint PPT Presentation

Chapter 2

Chapter 2. The Relational Database Model Database Systems: Design, Implementation, and Management, Fifth Edition, Rob and Coronel. In this chapter, you will learn: . That the relational database model takes a logical view of data

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978 views • 35 slides

Chapter 6

Chapter 6. Entity Relationship Model. Basic Elements of E-R Model. Entity Object of the real world that stores data. Eg . Customer, State, Project, Supplier, etc. Attribute A description of an entity. Eg . Worker has name, worker number, department, address, etc. Relationship.

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350 views • 23 slides

CBAD2103

CBAD2103. Data Analysis and Modeling. Chapter 7. Conceptual Design Methodology. 1. Determination of entity; 2. Determination of relationship; 3. Determination of attribute for entity and relationship; 4. Determination of domain for attribute; 5. Determination of primary key; and

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466 views • 23 slides

Data Warehousing

Virtual University of Pakistan. Data Warehousing. Lecture-22 DQM: Quantifying Data Quality. Ahsan Abdullah Assoc. Prof. & Head Center for Agro-Informatics Research www.nu.edu.pk/cairindex.asp National University of Computers & Emerging Sciences, Islamabad Email: ahsan101@yahoo.com.

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246 views • 15 slides

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Attribute domain - PowerPoint PPT Presentation

Chapter 2

Chapter 6

CBAD2103

Data Warehousing