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Results tagged with relational-calculus
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user 153548
For questions: (a) about one of the relational forms of predicate calculus, i.e., domain and tuple, or (b) about expressing queries on data contained in a relational database utilizing one of those forms of calculus.
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Converting from domain calculus to relational algebra
At university I have been given these three relations:
Customer (Name, City, Account)
Offer (Product_Description Supplier, Price)
Order (Name, Product_Description, Quantity, Supplier)
and this doma …
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