100+ Relationship table PowerPoint (PPT) Presentations, Relationship table PPTs

Relationship table - PowerPoint PPT Presentation

Normalization

Normalization. ISYS 464. Database Design Based on ERD. Strong entity: Create a table that includes all simple attributes Composite Weak entity: add owner primary key Multi-valued attribute: Create a table for each multi-valued attribute Key + attribute Relationship: 1:1, 1:M

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391 views • 28 slides

Data Modeling with ERD

Data Modeling with ERD. BUS 782. Entities. An entity is a person, place, object, event, or concept in the user environment about which the organization wishes to maintain data. Person: Employee, Student, patient Place: Warehouse, Store Object: Product, Machine.

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398 views • 26 slides

REA Model

REA Model. Relational Database Design: Converting Conceptual Models to Relational Databases. Relational Database Model. Some principles of the relational model Entity Integrity A primary key in a table must not contain a null value

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540 views • 14 slides

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'Relationship table' presentation slideshows

Relationship table - PowerPoint PPT Presentation

Normalization

Data Modeling with ERD

REA Model