Exam 3: Data Modeling

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

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There are exactly three normal forms.

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Within a database context, the relationship between "military officer" and "private" would most likely be:

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The purpose of the E-R model is to help database designers:

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A major advantage of relational databases is:

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Within a database context, the relationship between "natural parent" and "child" would most likely be:

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The ________ is not necessarily unique for the records in a database table, but is nonetheless often used to locate a particular record:

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The letter "M" in the acronym DBMS stands for "management."

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An advantage of relational databases is that additional indexes can be added at later points of time as new data processing requirements dictate.

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An example of a database cardinality is "one-to-many."

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In the REA framework, an account receivable would be classified as an):

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

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A data dictionary is a computer file describing the data items of an accounting database.

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Assume that an accounts receivable application contains database tables for customer orders, inventory items, customers, and salespersons.All of these would be likely data fields in a customer order table except:

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Controls that do not allow users to update the same database record at the same time are examples of:

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In the E-R model, an oval denotes an):

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The largest unit of information in the data hierarchy is a record.

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The process of data normalization refers to:

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Three database concerns when creating large databases are "data integrity," "processing accuracy," and "data security."

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An important data field found in a typical computer record of an inventory file that would be vital to purchasing agents would be the inventory item's:

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