Given below is an ER Diagram depicted in Chen's notation. Match it with the…
2018
Given below is an ER Diagram depicted in Chen's notation. Match it with the CORRECT relationship from the given options.
- A.
One to one
- B.
One to many
- C.
Many to many
- D.
Many to one
Attempted by 324 students.
Show answer & explanation
Correct answer: A
The correct option is A: One to one. In the provided ER diagram, an individual "Employee Name" uniquely maps to exactly one "Employee ID". Since a person possesses a single unique identity and an ID belongs to only one specific employee, it represents a strict 1:1 (one-to-one) relationship.