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CHAPTER_4_Example_Sheet[1]

CHAPTER_4_Example_Sheet[1] - C HAPTER 4 Cardinality...

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CHAPTER 4: Cardinality Question and Answer Example: MIN = Will either be a “0” or a “1”. “0” means it is independent and exists without the help of the other entity. “1” means it is dependent on the other entity to function. MAX = Will either be a “1” or “N”. “1”means the entity can only happen one time (one:one relationship). “N” means many and the entity can have multiple interactions with the other entity. (one:many relationship) 1.) Can at least one instance of Revenue exist without a related instance of Cash Receipt? (MIN QUESTION) Answer: Yes, “0” means it is independent and can exist without a cash receipt.
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