Question
Present a business problem that requires you to design and implement a database system. Provide at least one page types description of the business problem.
Present a business problem that requires you to design and implement a database system. Provide at least one page types description of the business problem. The description should be clear and provide enough details about the business environment, the business processses, and the problem for an individual to understand the complete picture. Your case details should include each of the entity classes and their relationship with others.
Using Entity-Relationship(E-R) model, a data modeling technique, create data model for your proposed database system. Your E-R model must include the followings:
a) at least 5 entities
b) at least 4 attribute per entity
c) at least one 1:1 relationship
d) at least one 1:N relationship
e) at least one N:M relationship
f) at least one (M-M) relationship
g) at least one (M-O) relationship
h) at least one (O-O) relationship
i) at least one Strong-Weak (ID-Dependent/ID-Independent) relationship
j) at least one Sub-type/Super-type relationship
Label all your diagram following standard E-R Model rules, including:
a) Entities
b) Attributes
c) Relationships
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