Exam 14: Database Design

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The data item which uniquely identifies a computer record in an AIS database table is called the:

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A database is in first normal form if all of its record's data fields are well defined and the information can thus be stored as a flat file.

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Record keys on computer files are unique only to the extent that they classify computer records by some general category.

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

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

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Database security is no longer important because DBMSs are already so safe.

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Relational databases store small amounts of data in spreadsheets.

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Assume that an accounts receivable application contains database tables for customer orders, inventory items, customers, and salespersons.Which of these items would probably be a foreign key in the customer orders table?

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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 parking-tickets application is the one between "ticket code" and "fine amount."

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In the REA accounting framework, the letter "R" stands for:

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

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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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The foreign key in one database table will always be a _______ key in a linked table.

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For a file of employee workers, it would make more sense to use their last name as a primary key rather than their employee number.

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A data dictionary can help an accountant:

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The "concurrency" concern in database operations refers to the need to convert foreign currency amounts into dollar terms before reporting them to subschema viewers.

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

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In the REA framework, which of these would be recorded as an "event?"

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