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Which feature converts row data to a column for better analytical view?

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Which feature converts row data to a column for better analytical view? (a) Views (b) Join (c) Pivot (d) Trigger The question was posed to me in a national level competition. This is a very interesting question from Estimating Statistics of Expression Results in chapter Query Processing Techniques of Database Management

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The correct choice is (c) Pivot The best explanation: Pivot table is very powerful and very easy to use.

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