Question

The M:N relationship between STUDENT and CLASS must be divided into two 1:M relationships through the use of the ENROLL entity; the ENROLL entity is ____.

Answer 1

Answer:

Weak entity.

Explanation:

A weak entity is that which might reside simply when it is possessed through any other thing or individual.

• Such as, There would always be the room in a building.
• In the other hand, a tire may be called a powerful force, although it may even reside without getting connected to a Vehicle.

Thus, from the above statement, the following answer is true

Answer 2

Answer:

The answer is "weak".

Explanation:

In the given statement some option is missing which can be described as follows:

A) weak  

B) strong  

C) optional

D) mandatory

The weak entity is an object, which could not be described specifically by its properties only, It should have a foreign key to create a primary key in comparison to its attributes, and wrong choices can be explained as follows:

• In option B, It describes the relationship with the weak entities.
• In option C, It describes the relationship, which is not necessary.
• In option D, In every case, an entity could be affiliated with another entity, but this is not necessary.