Multiple Choice
Where does mapping occur?
A) Between the external and conceptual levels
B) Between the external and internal levels
C) Between the conceptual and internal levels
D) A and C
E) B and C D
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q51: What is meant by the "logical" structure
Q52: What is the operation that materializes the
Q53: The database architecture includes an external level,
Q54: Which of the following statements best describes
Q55: A framework that is helpful for discussing
Q57: What are the subroutines called that define
Q58: A query language is a high-level English-like
Q59: A database system consists of two major
Q60: A primary key is one or a
Q61: What are data elements that are not