In SQL, which command(s) is(are) used to redefine an index's future storage allocation
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Computer Science · all questionsDatabase Systems
Database Systems
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Which of the following is a serious problem of file management systems?
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With respect to data input, the most accurate description of batch control is
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The model for a _____ resembles the hierarchical model in many respects.
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A set of programs that handle a firm's data base responsibilities is called a
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In any hierarchy of data organization, the smallest entity to be processed as a single unit is called
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Long-range planning report produced in an MIS are primarily designed for
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The model for a record management system might be
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The designer of a form includes
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Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time?
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Two files may be joined into a third file if
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Characteristic(s) of a distributed MIS structure is
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The data-base environment has all of the following components except:
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The way a particular application views the data from the data base that the application uses is a :
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A compound key
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The distinguishable parts of a record are called
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Large collections of files are called
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The index consists of
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In SQL, which command is used to select data in rows and column from one or more tables?
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Q100
Open questionA scheme describes
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