ITE 115 Quiz 2 – Flashcards
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LexisNexis
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This commercial database offers news and information on legal, public records, and business issues.
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Redundancy
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Having several instances of the same data is called data.
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Hierarchical
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In this database model, the fields or records are structured in nodes.
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Commercial
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These types of databases are also called information utilities or data banks.
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Integrity
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If Mr. Smith's bike has been sent to his new address, but the bill to his old one, it can most likely be attributed to a lack of data.
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Which of the following is not an advantage of using a database?
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Reliability
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Which view of data deals with how the data is actually formatted and located?
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Physical view
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Individual
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In this type of database, the data and the DBMS are stored either on the user's hard-disk drive or on a LAN file server.
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Primary key
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A field that uniquely identifies each record.
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Which of the following is an advantage of using multidimensional databases?
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Conceptualization
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Commercial databases
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Access to these databases is offered to the public or selected outside individuals, for a fee.
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Attribute
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In the object-oriented database model, this term is the equivalent to a field in a relational model.
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Attribute
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A data field that represents a description or characteristic of some entity.
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Object-oriented
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These databases store not only data but also instructions to manipulate the data.
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Data definition
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This subsystem defines the logical structure of the database by using a data dictionary or schema.
