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DRAW ERD: a professor teaches zero, one or many classes and a class is taught by one professor a course may generate zero, one or
DRAW ERD:
- a professor teaches zero, one or many classes and a class is taught by one professor
- a course may generate zero, one or many classes and a class comes from one course
- a class is held in one room but a room has many classes
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There are some terms that are important in an Entity Relationship Diagram The first one is entity Entity is a representation of a class or an object An entity can be person place or thing An object as ...
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Statistics For Business And Economics
Authors: Paul Newbold, William Carlson, Betty Thorne
8th Edition
0132745658, 978-0132745659
