Computer Science · Relational Database Management System
Consider a database called SCHOOL with two tables having the following metrics: - Table STUDENT: Degree = 20, Cardinality = 300 - Table TEACHER: Degree = 10, Cardinality = 25 Select the degree and cardinality of the Cartesian product of the tables (STUDENT × TEACHER):
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- 1Degree = 200, Cardinality = 7500
- 2Degree = 30, Cardinality = 325
- 3Degree = 200, Cardinality = 325
- 4Degree = 30, Cardinality = 7500✓
Correct answer
Degree = 30, Cardinality = 7500
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