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File: Calculus Pdf 168933 | Relational 5 Calc
COS 425: Database and Information Management Systems Relational model: Relational calculus Tuple Relational Calculus Queries are formulae, which define sets using: 1. Constants 2. Predicates (like select of algebra ) ...
Filetype PDF | Posted on 25 Jan 2023 | 2 years ago