If a student's ID was also present in a relation that stored enrollment information,this field in the enrollment relation would be called a(n) _____ key.
A) intersecting
B) composite
C) merged
D) foreign
Correct Answer:
Verified
Q17: An E-R diagram includes five basic symbols.Which
Q18: A supplier is an example of a(n)_.
A)relational
Q19: An organization wishes to store information about
Q20: What is the most popular type of
Q21: A data dictionary contains:
A)an external listing of
Q23: A relational database uses a series of
Q24: An intersection relation is also known as
Q25: A foreign key is a:
A)primary key of
Q26: An intersection relation consists of:
A)summary information.
B)primary keys
Q27: _ is the process of assuring that
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