'Formal query languages' presentation slideshows

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Carnegie Mellon Univ. Dept. of Computer Science 15-415 - Database Applications

Carnegie Mellon Univ. Dept. of Computer Science 15-415 - Database Applications. C. Faloutsos Relational domain calculus. General Overview. relational model Formal query languages relational algebra rel. tuple calculus rel. domain calculus. Overview - detailed. rel. tuple calculus dfn

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Database Systems I Relational Algebra

Database Systems I Relational Algebra. Relational Query Languages. Query languages: Allow manipulation and retrieval of data from a database. Relational model supports simple, powerful query languages: Strong formal foundation based on logic. High level, abstract formulation of queries.

959 views • 38 slides

Database Systems I Relational Algebra

Database Systems I Relational Algebra. Relational Query Languages. Query languages: Allow manipulation and retrieval of data from a database. Relational model supports simple, powerful query languages: Strong formal foundation based on logic. High level, abstract formulation of queries.

567 views • 38 slides

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). Administrivia.

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Relational Algebra

Relational Algebra. Eugene Sheng Computer Science Department NIU. Introduction . one of the two formal query languages of the relational model collection of operators for manipulating relations Operators: two types of operators

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