Database Management SystemTU Board 2083
Define entity, attribute and relationship with suitable example. Design a complete ER diagram for the following scenario: Scenario: A school has teachers and students. Each teacher has a teacher id…
10Define entity, attribute and relationship with suitable example. Design a complete ER diagram for the following scenario:
Scenario: A school has teachers and students. Each teacher has a teacher_id (unique), name, and subject. Each student has a student_id (unique), first name, last name, and date of birth (age is derived). A student can have multiple phone numbers. A teacher teaches many students, and a student can be taught by many teachers. Each teaching relationship records the academic year.
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