In ER Model, which of the following relationship is correct for a condition…
2024
In ER Model, which of the following relationship is correct for a condition that a person in INDIA has an Aadhaar Card?
- A.
One to one relationship
- B.
One to many relationship
- C.
Many to many relationship
- D.
Many to one relationship
- E.
Question not attempted
Attempted by 1160 students.
Show answer & explanation
Correct answer: A
In ER Model, the relationship between a person and Aadhaar card is based on the following: Step 1: Each person in India can have only one Aadhaar card. Step 2: Each Aadhaar card is issued to only one person. Step 3: This means there is a one-to-one mapping between persons and Aadhaar cards. Hence, the correct relationship is one-to-one.