Relationships Essay Examples

Relationships and Cardinalities The relationships between the entities were based on the following business rules: Many students enroll to many courses (mandatory, many-to-many) Many courses have many students (mandatory, many-to-many)’ A course may have a prerequisite course (optional, one-to-one) A course may be a prerequisite to many courses (optional, one-to-many) A student may have a thesis committee (optional, one-to-one) Many committees have many professors (mandatory, many-to-many) A committee has a chair (mandatory, one-one) A professor may be part of many committees (optional, one-to-many) A student has an advisor (mandatory, one-to-one) An advisor may advise many students (optional,...

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