What is a weak entity in data modeling using the entity relationship model? Find any weak entity and its identifying relationship for the school…

What is a weak entity in data modeling using the entity relationship model? Find any weak entity and its identifying relationship for the school database from the following tables.

Student(student_id, student_name, admission_year)

Teacher(teacher_id, teacher_name, teacher_joindate)

Course(course_id, subject_name, credit)

From the BCC Assistant Programmer (CSE) February 2021 – Written (BUET) exam, question 19 of 20.

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