There are similarities between the instructor entity set and the secretary entity set in the sense that they have several attributes that are conceptually the same across the two entity sets: namely, the identiï¬er, name, and salary attributes. This process is called

There are similarities between the instructor entity set and the secr

1.	There are similarities between the instructor entity set and the secretary entity set in the sense that they have several attributes that are conceptually the same across the two entity sets: namely, the identiï¬er, name, and salary attributes. This process is called
A.	commonality
B.	specialization
C.	generalization
D.	similarity
Answer» D. similarity