What two criteria must an entity satisfy in order to be categorized as a weak entity? Provide an example of a vulnerable entity.

I want a solution from a professor in software engineering

What are the two requirements that an entity must meet in order to be classified as a weak entity?Give an example of a weak or susceptible entity to illustrate your point.

In the ER-Model, what are the guidelines for determining how to identify and build relationships between entities?

If you are reading a flat file, with minimal information regarding business rules and constraints. How can one determine the appropiate relationships between entities? This question refers to entity relationship modeling. Logical ERDs.

Draw the Enhanced Entity–Relationship (EER) model and the relational schema for the case study below: This case study describes a company called HomeCinema, which rents out videos to its members. The first branch of HomeCinema was established in 1982 in Jeddah but the company has now grown and has many branches throughout the country. As HomeCinema has grown, so has the difficulties in managing the increasing amount of data used and generated by the company. To ensure the continued success of the company, the Director of HomeCinema has urgently requested that a database application be built to help solve the increasing problems of data management. The data held on a branch of HomeCinema is the branch address made up of street, city, state, and zip code, and the telephone numbers (maximum of 3 lines). Each branch is given a branch number, which is unique throughout the company. Each branch of HomeCinema has staff, which includes a Manager, one or more Supervisors, and a number of other…