Examlex
Q12: is the real power behind the relational
Q21: Entity subtypes do not inherit the relationships
Q21: SQL is considered difficult to learn; its
Q22: In the context of total completeness, in
Q27: Externalities are social costs that affect parties
Q32: The analysis phase of the Systems Development
Q45: The primary objective in database design is
Q72: The purpose of a(n) is to simplify
Q81: An attribute that cannot be further subdivided
Q174: Which person has the highest opportunity cost