100+ A b3 a PowerPoint (PPT) Presentations, A b3 a PPTs

A b3 a - PowerPoint PPT Presentation

Relational Algebra

Relational Algebra. Chapter 4, Part A. Modified by Donghui Zhang. Relational Query Languages. Query languages : Allow manipulation and retrieval of data from a database. Relational model supports simple, powerful QLs: Strong formal foundation based on logic.

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469 views • 22 slides

Relational Algebra

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468 views • 22 slides

Relational Algebra

Relational Algebra. Relational Query Languages. Query languages : Allow manipulation and retrieval of data from a database. Relational model supports simple, powerful QLs: Strong formal foundation based on logic. Allows for much optimization. Query Languages != programming languages!

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356 views • 21 slides

Relational Algebra

Relational Algebra. Chapter 4, Part A. Relational Query Languages. Query languages : Allow manipulation and retrieval of data from a database. Relational model supports simple, powerful QLs: Strong formal foundation based on logic. Allows for much optimization.

★ ★ ★ ★ ★

308 views • 21 slides

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A b3 a - PowerPoint PPT Presentation

Relational Algebra

Relational Algebra

Relational Algebra

Relational Algebra