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Which of the following statements are true of Entity Relationship ( ER ) Diagrams? 1 point They identify the Primary Keys They usually are represented

Which of the following statements are true of Entity Relationship (ER) Diagrams?
1 point
They identify the Primary Keys
They usually are represented in a visual format.
They show you the relationships between tables.
They only represent entities in the diagram.
They speed up your querying time.
They are usually a representation of a business process.

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