A composite primary key is:
A) a merged field containing the primary key and descriptive information.
B) a key in the intersecting relation that contains the primary keys from the two intersecting relations.
C) a field composed of information from multiple sources.
D) a unique field that can be used throughout the organization to identify an entity.
Correct Answer:
Verified
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
Q29: If you find a many-to-many relationship,which of
Q30: If you were looking at an E-R
Q31: When defining information (fields)for a relation,you should
Q32: A database management system is:
A)a complete set
Q33: Which of the following denotes a multiple
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