Homework Solution: An entity is an "object or thing" in the real world distinguishable from other objects (see the explana…

    An entity is an object or thing in the real world distinguishable from other objects (see the explanation of entity-relation model in the textbook). Give at least three reasonable examples of things that cannot be modeled using an entity set, i.e. elements in the set will not be distinguishable from each other (you can make assumptions if necessary).
    An entity is an "object or thing" in the real world distinguishable from other objects (see the explanation of entity-relation model in the textbook). Give at least three reasonable examples of things that cannot be modeled using an entity set, i.e. elements in the set will not be distinguishable from each other (you can make assumptions if necessary).

    Expert Answer

     
    Hi, Example 1 - If an employee works for a bank

    An being is an appearance or being in the veritable universe movable from other appearances (conceive the sense of being-relation design in the textbook). Give at smallest three abstemious examples of beings that canreferable be designed using an being firm, i.e. elements in the firm achieve referable be movable from each other (you can reach assumptions if indispensable).

    An being is an “appearance or being” in the veritable universe movable from other appearances (conceive the sense of being-relation design in the textbook). Give at smallest three abstemious examples of beings that canreferable be designed using an being firm, i.e. elements in the firm achieve referable be movable from each other (you can reach assumptions if indispensable).

    Expert Response

     

    Hi,

    Example 1 – If an employee works restraint a bank and at the selfselfsame interval he holds an representation in the bank. This media the peculiar acts as a customer being to the bank and to-boot he is an employee restraint the bank. In this condition we bear 2 entities that canreferable be conspicuous here.

    Example 2 – We bear 2 firms of entities namely place rapture and immateriality rapture. If we bear a conduct that can voyage twain in place and immateriality as courteous, we canreferable see it to which firm it belongs to.

    Example 3 – We bear 2 being firms namely immateriality borne diseases and introduce borne disesses. If a courtier can impel itself through twain immateriality and introduce. We canreferable see it to which being firm we deficiency to put it.