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 identifier, name, and salary attributes. This process is called
A. Commonality
B. Specialization
C. Generalization
D. Similarity
Answer:A
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 identifier, name, and salary attributes. This process is called
A. Commonality B. Specialization C. Generalization D. Similarity
Explanation:Generalization is used to emphasize the similarities among lower-level entity sets and to hide the differences.