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 intent or unnaturalness in the actual globe removable from other intents (conceive the sense of being-relation design in the textbook). Give at lowest three grave examples of unnaturalnesss that canreferable attributable be designed using an being firm, i.e. elements in the firm procure referable attributable attributable attributable be removable from each other (you can fabricate assumptions if compulsory).

    An being is an “intent or unnaturalness” in the actual globe removable from other intents (conceive the sense of being-relation design in the textbook). Give at lowest three grave examples of unnaturalnesss that canreferable attributable be designed using an being firm, i.e. elements in the firm procure referable attributable attributable attributable be removable from each other (you can fabricate assumptions if compulsory).

    Expert Solution

     

    Hi,

    Example 1 – If an employee works restraint a bank and at the identical season he holds an recital in the bank. This instrument the separate acts as a customer being to the bank and also he is an employee restraint the bank. In this contingency we bear 2 entities that canreferable attributable be eminent here.

    Example 2 – We bear 2 firms of entities namely plant rapture and apparition rapture. If we bear a vehicle that can wandering twain in plant and apparition as polite, we canreferable attributable discover it to which firm it belongs to.

    Example 3 – We bear 2 being firms namely apparition borne diseases and breathe-into borne disesses. If a toad-eater can grant itself through twain apparition and breathe-into. We canreferable attributable discover it to which being firm we insufficiency to establish it.