100+ Ssn value PowerPoint (PPT) Presentations, Ssn value PPTs

Ssn value - PowerPoint PPT Presentation

ER continued, and ER to Relational Mappings

ER continued, and ER to Relational Mappings. R&G Chapters 2, 3 Lecture 22. Administrivia. Homework 4 Due Tuesday Today: More on the ER Model & DB Design Next week: Concurrency Control & Recovery. name. cost. pname. age. ssn. lot. Policy. Dependents. Employees. Review: the ER Model.

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440 views • 28 slides

ER to Relational Mapping

ER to Relational Mapping. name. ssn. lot. Employees. Logical DB Design: ER to Relational. Entity sets to tables. CREATE TABLE Employees (ssn CHAR (11), name CHAR (20), lot INTEGER , PRIMARY KEY (ssn) ).

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309 views • 12 slides

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Ssn value - PowerPoint PPT Presentation

ER continued, and ER to Relational Mappings

ER to Relational Mapping