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How to show that something increases relational expressive power?

score 270 · Answer 1 · 2014-11-18 16:23:56

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TechQA.

List Question

How to show that something increases relational expressive power?

Reversing steps, Converting SQL query back to tuple relational calculus?

creating a query using relational calculus (tuple relational calculus)

Database Design of a value identified by two Primary Keys

Can tuple variables bound by quantifiers occur on the left of '|' in Tuple Relational Calculus?

How would I find the highest/largest of something with relation algebra, domain relational calculus and tuple relational calculus

Tuple Relational Calculus: taking the results of one query and adding it to another

Views in relational calculus

Tuple Relational Calculas

Domain and Tuple relational calculus

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