In a relational database,information is presented as though it were stored in tables called
_________________ ,each of which has columns called _________________ and rows
called _________________ .
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Q21: Given the two relations X and Y
Q22: Which of the operations SELECT,PROJECT,and JOIN are
Q23: Place an X in the space before
Q24: Identify two database models.
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Q25: List four data mining techniques.
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Q27: Suppose you were going to construct a
Q28: Given the relation Employees containing the attributes
Q29: Place an X in the space before
Q30: Suppose a relation X had the attributes
Q31: Place an X in the space before
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