Which relationship is used to represent a specialization entity ?
A. ISA
B. AIS
C. ONIS
D. WHOIS
Answer:A
Which relationship is used to represent a specialization entity ?
A. ISA B. AIS C. ONIS D. WHOIS
Explanation:In terms of an E-R diagram, specialization is depicted by a hollow arrow-head pointing from the specialized entity to the other entity.