Exam 17: Database Design Using the Rea Data Model

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The first step in developing an REA diagram for a specific transaction cycle begins with identifying

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Which of the following transactions is represented by the diagram below? Which of the following transactions is represented by the diagram below?

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Identify the notation often used to represent cardinality information.

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A dental office employs three dentists and five dental hygienists.One of the dentists is a very recent dental school graduate and can't yet see patients on her own until she passes boards and obtains a license.Dentists perform all procedures personally,except for regular cleaning and x-rays,which are performed exclusively by dental hygienists.Three of the five dental hygienists perform only regular cleaning and x-rays.The other two hygienists each assist a specific dentist during procedures,as well as performing regular cleaning and x-rays.One of the hygienists will be assigned to the new dentist when she begins seeing patients.Hygienists usually 'shadow' other hygienists and dentists for two weeks prior to seeing patients. Patients schedule appointments directly with dentists and hygienists,depending on the type of dental service needed.Patients do not have to choose a dentist until they need service other than routine cleaning or x-rays.Patients are assigned to a specific dental hygienist when they schedule their first appointment.The customer master file has 549 records.Diagram the agents described,relationships between agents,and the cardinality pairs for each relationship.

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Which of the following transactions is represented by the diagram below? Which of the following transactions is represented by the diagram below?

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It is industry standard to model entities as rectangles on entity-relationship diagrams.

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Describe data modeling.

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Describe the steps in developing an REA diagram.

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Explain specifically what is meant by the following statement: "Accountants can and should participate in all stages of the database design process."

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Which of the following graphical symbols represents a minimum cardinality of one and a maximum cardinality of many?

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An REA diagram must link every event to at least one ________ and two ________.

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In which stage(s)of the database design process does data modeling occur?

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Which of the following transactions is represented by the diagram below? Which of the following transactions is represented by the diagram below?

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Every citizen in the United States has one social security number,but no two citizens have the same social security number.Thus,the cardinality that exists between social security numbers and citizens is

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Which of the following transactions is represented by the diagram below? Which of the following transactions is represented by the diagram below?

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The "give" event represents an activity which

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Besides modeling entities as rectangles,there are no industry standards for entity-relationship diagrams.

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Which of the following transactions is represented by the diagram below? Which of the following transactions is represented by the diagram below?

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The REA data model approach facilitates efficient operations by all the following except

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A relationship is diagrammed below using the [Min,Max] notation.Which of the diagrams below represents the same relationship using the "crow's feet" notation? A relationship is diagrammed below using the [Min,Max] notation.Which of the diagrams below represents the same relationship using the crow's feet notation?

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