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CAS CS 460/660 Introduction to Database Systems Relational Algebra

CAS CS 460/660 Introduction to Database Systems Relational Algebra

CAS CS 460/660 Introduction to Database Systems 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.

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404 views • 40 slides
Relational Algebra

Relational Algebra

p. Relational Algebra. R & G, Chapter 4. By relieving the brain of all unnecessary work, a good notation sets it free to concentrate on more advanced problems, and, in effect, increases the mental power of the race . -- Alfred North Whitehead (1861 - 1947). Relational Query Languages.

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383 views • 30 slides
Relational Algebra

Relational Algebra

p. Relational Algebra. CS 186 Spring 2006, Lecture 8 R & G, Chapter 4. By relieving the brain of all unnecessary work, a good notation sets it free to concentrate on more advanced problems, and, in effect, increases the mental power of the race . -- Alfred North Whitehead (1861 - 1947).

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385 views • 30 slides
Relational Algebra

Relational Algebra

p. Relational Algebra. R & G, Chapter 4. By relieving the brain of all unnecessary work, a good notation sets it free to concentrate on more advanced problems, and, in effect, increases the mental power of the race . -- Alfred North Whitehead (1861 - 1947). Relational Query Languages.

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377 views • 29 slides
Relational Algebra

Relational Algebra

Relational Algebra. R & G, Chapter 4. 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.

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367 views • 29 slides

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