4. Translate the following relational algebra query into the domain relational calculus (the two queries should always return the same answer): Tsid (Supplier.sid=Catalog.sid (Supplier × σ Catalog.pid=Part.pid (Catalog > σcolor="red" Part))) ― Tsid (Supplier.sid=Catalog.sid (Supplier × σCatalog.pid=Part.pid/cost<100 (Catalog Part)))
4. Translate the following relational algebra query into the domain relational calculus (the two queries should always return the same answer): Tsid (Supplier.sid=Catalog.sid (Supplier × σ Catalog.pid=Part.pid (Catalog > σcolor="red" Part))) ― Tsid (Supplier.sid=Catalog.sid (Supplier × σCatalog.pid=Part.pid/cost<100 (Catalog Part)))
Chapter2: Database Design Fundamentals
Section: Chapter Questions
Problem 15RQ
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Transcribed Image Text:4.
Translate the following relational algebra query into the domain relational calculus
(the two queries should always return the same answer):
Tsid (Supplier.sid=Catalog.sid (Supplier × σ Catalog.pid=Part.pid (Catalog > σcolor="red" Part)))
―
Tsid (Supplier.sid=Catalog.sid (Supplier × σCatalog.pid=Part.pid/cost<100 (Catalog Part)))
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