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5. Translate the following domain relational calculus query into the relational algebra (the two queries should always return the same answer): {(x, p) | c₁(Catalog(x, p, c₁) ^ Vyc2(Catalog(y, p, c₂) → c₁

5. Translate the following domain relational calculus query into the relational algebra (the two queries should always return the same answer): {(x, p) | c₁(Catalog(x, p, c₁) ^ Vyc2(Catalog(y, p, c₂) → c₁

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter7: Introduction To Structured Query Language (sql)
Section: Chapter Questions
Problem 6RQ: What are referential constraint actions?
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5. Translate the following domain relational calculus query into the relational algebra (the two queries should always return the same answer): {(x, p) | c₁(Catalog(x, p, c₁) ^ Vyc2(Catalog(y, p, c₂) → c₁ <c₂))}
Transcribed Image Text:5. Translate the following domain relational calculus query into the relational algebra (the two queries should always return the same answer): {(x, p) | c₁(Catalog(x, p, c₁) ^ Vyc2(Catalog(y, p, c₂) → c₁ <c₂))}
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