Exam 10: The REA Approach to Business Process Modeling

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Describe the rule for assigning foreign keys in a (1:1)association

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Typically one of the tables in a 1:1 association has a minimum cardinality of zero.When this is the case,the primary key of the table with the (1,1)cardinality should be embedded as a foreign key in the table with the (0,1)cardinality.

Which statement is NOT true? REA resources are:

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B

Value chain analysis distinguishes between primary activities and support activities.

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True

Explain the rule for assigning foreign keys in a (1:M)association?

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How do the entity relationship (ER)and the REA diagrams differ?

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The events depicted on an REA diagram are transformed into computer processes while the resources and agents become relational database tables.

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Where a 1:M association exists between tables,the primary key of the 1 side is embedded in the table of the M side.

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ER diagrams always label entity names in the singular noun form.

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When one side of a 1:1 association has a minimum cardinality of zero,the primary key of the table with the 0,1 cardinality should be embedded as a foreign key in the table with the 1,1 cardinality

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When developing an REA model:

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When assigning foreign keys in a 1:1 association:

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Which of the following associations requires a separate link table?

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How are tables in a (M:M)association physically linked?

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When modeling M:M associations,it is conventional to include link tables in the REA diagram so that the model reflects closely the actual database.

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In REA,resources are assets that include accounts receivable.

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Modeling economic transactions under the REA approach always includes depicting both internal and external agents.

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REA modeling embraces two classes of events: economic events and support events.

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In an REA model,events are described from the perspective of

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The letters 'R,' 'E,' and 'A' in the term "REA model" stand for resources,events,and actions?

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Discuss the concept of duality as it relates modeling an economic transaction.

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