Exam 3: Data Modeling

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The idea behind view controls is to allow users access to only that information that they need to see.

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The term "transaction control" refers to the requirement that a database system either process a transaction entirely,or not at all.

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An example of a transitive relationship in a parking-tickets application is the one between "ticket code" and "fine amount."

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A data dictionary can help an accountant:

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Master files that are maintained as part of the processing of purchase transactions are:

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An example of a "one-to-one" relationship is "employee to assigned parking stall."

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Which of the following creates relationships by linking the data in one file (e.g.,customer)to an item in a second file (e.g.,a sales order)?

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The correct order of elements,from smallest to largest,in the data hierarchy is data field,record,file (table),database.

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The E-R model refers to the "entity-relationship" model.

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The smallest unit of information in the data hierarchy is a data field.

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A last name such as "Smith" is an example of a useful primary record key.

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A data dictionary:

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The basic unit of information in an accounting information system database is the debit.

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The initials R-E-A in the REA accounting framework refer to "resources,events,and accounting."

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An example of a transitive dependency in a database is:

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An example of a transitive relationship in a medical application is the one between "medical procedure code" and "cost of treatment."

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The correct order of elements,from smallest to largest,in the data hierarchy is database,data field,record,file (table).

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The basic unit of information on a computer file of accounting data is a(n):

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Within a database context,the relationship between "students" and "classes" would most likely be:

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This type of database structure enables users to create relationships after the database has been created and implemented:

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