CSC 105 ch 12 – Flashcards
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A credit card bill that is processed at one shot - say the end of the month - is an example of
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batch processing
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Having several instances of the same data is called
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data redundancy.
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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
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lack of data integrity.
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The data manipulation subsystem can use query-by-example as well as
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SQL.
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The feature of describing the entry field in a data dictionary form as 'text' is characteristic of
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data definition subsystem.
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This type of database is organized into many tables with common data items (key fields) linking the tables to one another.
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Relational
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_____ databases store not only data but also instructions to manipulate the data.
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Object-oriented
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A common operational database is a type of
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shared database
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If all the data in a database is not physically located in one place, it would be a(n)
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distributed database
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Information collected by an organization from a variety of external and internal databases is stored in special type of database called a
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data warehouse.
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The logical view of data focuses on meanings and content of the data.
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True
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A record is a collection of related tables.
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False
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Database tables can be related or connected to other tables by common key fields.
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True
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The ATM works on the principle of real-time processing
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True
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The DBA can create user forms and menus using the
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application generation subsystem
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A nationwide airline reservation system is an example of this type of database model.
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Hierarchical model
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A network database can utilize ____, special connections between nodes that allow multiple connections between records.
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pointers
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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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Attributes
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This commercial database offers news and information on legal, public records, and business issues.
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LexisNexis
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Data redundancy results due to lack of data integrity.
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False
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The company database may be stored on a mainframe and managed by a database administrator.
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True
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