July 2024
Intermediate to advanced
1032 pages
36h 33m
English
Content preview from Information Modeling and Relational Databases, 3rd Edition
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12 Relational Languages
Abstract
This chapter provides a detailed discussion of relational algebra and its operations (union, intersection, difference, Cartesian product, selection, projection, join, division, and renaming). It then discusses relational database systems, and how to specify queries and updates in SQL.
Keywords
Relational algebra; Relational database; SQL; Queries; Updates
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