E-R model uses this symbol to represent weak entity set ?
A. Dotted rectangle
B. Diamond
C. Doubly outlined rectangle
D. None of the Mentioned
Answer:A
E-R model uses this symbol to represent weak entity set ?
A. Dotted rectangle B. Diamond C. Doubly outlined rectangle D. None of the Mentioned
Explanation: A weak entity set is indicated by a doubly-outlined box.