Identify the set of functional dependencies in the relation instance CAR shown below. CAR #cylinders Origin...
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Identify the set of functional dependencies in the relation instance CAR shown below. CAR #cylinders Origin Tax Model Camry 4 Mustang 6 Fiat Accord Century 8 Mustang 4 Monte 6 Carlo Civic Mustang 4 Mustang 6 Civic Japan USA Snum Sname i 15 Italy Japan USA 0 Canada 0 Canada 0 0 18 15 110 KHUMAWALA 110 KHUMAWALA 110 KHUMAWALA 1000 STEDRY 1000 STEDRY Japan. Mexico 15 Mexico 15 2000 KHUMAWALA 2000 KHUMAWALA 3000 GAMBLE 3000 GAMBLE 15 Korea 15 Fee Consider the relation instance of the STU-CLASS relation schema. STU-CLASS (Snum, Sname, Major, Cname, Time Room) Major 30 45 30 30 60 30 45 ACCOUNTING ACCOUNTING ACCOUNTING 30 30 45 30 Cname Time BA482 MW3 BD445 TR2 BA491 TR3 ANTHROPOLOGY AP150 MWF9 ANTHROPOLOGY BD445 TR2 STATISTICS STATISTICS ACCOUNTING BA491 TR3 BD445 TR2 BA482 MW3 ACCOUNTING BP490 MW4 C-150 Room C-150 C-213 C-141 D-412 C-213 C-141 C-213 C-150 What are the undesirable functional dependencies in the relation instance of the STUCLASS relation schema shown above? Identify the set of functional dependencies in the relation instance CAR shown below. CAR #cylinders Origin Tax Model Camry 4 Mustang 6 Fiat Accord Century 8 Mustang 4 Monte 6 Carlo Civic Mustang 4 Mustang 6 Civic Japan USA Snum Sname i 15 Italy Japan USA 0 Canada 0 Canada 0 0 18 15 110 KHUMAWALA 110 KHUMAWALA 110 KHUMAWALA 1000 STEDRY 1000 STEDRY Japan. Mexico 15 Mexico 15 2000 KHUMAWALA 2000 KHUMAWALA 3000 GAMBLE 3000 GAMBLE 15 Korea 15 Fee Consider the relation instance of the STU-CLASS relation schema. STU-CLASS (Snum, Sname, Major, Cname, Time Room) Major 30 45 30 30 60 30 45 ACCOUNTING ACCOUNTING ACCOUNTING 30 30 45 30 Cname Time BA482 MW3 BD445 TR2 BA491 TR3 ANTHROPOLOGY AP150 MWF9 ANTHROPOLOGY BD445 TR2 STATISTICS STATISTICS ACCOUNTING BA491 TR3 BD445 TR2 BA482 MW3 ACCOUNTING BP490 MW4 C-150 Room C-150 C-213 C-141 D-412 C-213 C-141 C-213 C-150 What are the undesirable functional dependencies in the relation instance of the STUCLASS relation schema shown above?
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Data Modeling and Database Design
ISBN: 978-1285085258
2nd edition
Authors: Narayan S. Umanath, Richard W. Scammel
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