Multiple Choice
What is meant by the "logical" structure of a database?
A) The way the data are thought about, or viewed, by users
B) The way the data are stored on storage devices
C) The internal level of a database
D) The conceptual and internal levels of a database
Correct Answer:
Verified
Correct Answer:
Verified
Q46: Which of the following are disadvantages of
Q47: Identify the types of relationships that can
Q48: Define the two database models discussed in
Q49: Which of the following statements about the
Q50: What are the three ways in which
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
Q56: Where does mapping occur?<br>A) Between the external