"Extending Relational Algebra and Relational Calculus with Set-Valued ..."

Gultekin Özsoyoglu, Z. Meral Özsoyoglu, Victor Matos (1987)

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DOI: 10.1145/32204.32219

access: closed

type: Journal Article

metadata version: 2018-11-06

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Gultekin Özsoyoglu, Z. Meral Özsoyoglu, Victor Matos:
Extending Relational Algebra and Relational Calculus with Set-Valued Attributes and Aggregate Functions. ACM Trans. Database Syst. 12(4): 566-592 (1987)

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