Consider the following statements and chose the correct option(s): S1: The…
Consider the following statements and chose the correct option(s):
S1: The conceptual schema insulates users from the changes in external schema. This property is referred to as logical data independence
S2: The physical schema insulates users from the changes in the logical structure of data or changes in the choice of relation stored. This property is called Physical data independence.
- A.
S1 is true
- B.
S2 is true
- C.
S1 is false
- D.
S2 is false
Attempted by 234 students.
Sign up free to check your answer
Sign up freeLoading lesson…