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Modeling Data in the Organization
When the minimum number of instances of an entity is one, you know which of the following?
Mandatory one
Optional one
Mandatory many
Cannot tell
Correct Answer:
Cannot tell
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More Questions from
Modeling Data in the Organization
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?
A binary relationship is which of the following?
A rectangle represents which of the following in an ERD?
Which of the following conditions should exist if you want to convert a relationship to an associative entity?
A relationship is which of the following?
Output reports should be included as part of an ERD.
A relationship is an association representing the interaction between attributes.
A binary relationship is a relationship between two or more entities.
Multiple and binary relationships are the same thing.
Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity.
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