A good business rule is which of the following?
Answer: A
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A derived attribute is an attribute whose values can be calculated from a related relationship.
Answer: B
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A binary relationship is which of the following?
Answer: B
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If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist?
Answer: D
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When the minimum and maximum number of instances of an entity is one, you know which of the following?
Answer: A
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An attribute name should be which of the following?
Answer: B
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An attribute is a person, place, object, event in a user environment.
Answer: B
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No two attributes of the same entity type should have the same name.
Answer: A
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A relationship is an association representing the interaction between attributes.
Answer: B
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A rectangle represents which of the following in an ERD?
Answer: B
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