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Relational Algebra and SQL: Better Together
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McMaster, Kirby; Sambasivam, Samuel; Hadfield, Steven; Wolthuis, Stuart – Information Systems Education Journal, 2013
In this paper, we describe how database instructors can teach Relational Algebra and Structured Query Language together through programming. Students write query programs consisting of sequences of Relational Algebra operations vs. Structured Query Language SELECT statements. The query programs can then be run interactively, allowing students to…
Descriptors: Algebra, Programming, Teaching Methods, Database Design
An Algebra for Hierarchically Organized Text-Dominated Databases.
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Burkowski, Forbes J. – Information Processing and Management, 1992
Describes a hierarchical text database model and defines an algebra based on concordance lists. The algebra is presented as a theoretical model to define both a conceptual schema for the database and search protocols for database implementation. Several retrieval examples are included. (19 references) (MES)
Descriptors: Algebra, Database Design, Full Text Databases, Information Retrieval