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Select Query

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  1. What is the need of “column Aliases” in “SELECT” clause?
    1. To overwrite the existing column name in result set
    2. To modify the column name while using literals, Expression, built_in functions with “SELECT clause
    3. To assign a new label to the column in result set
    4. All of above
    5. None of these
Correct Option: D

“Column Aliases” are used to assign a new label to the columns in the result set without actually changing the column name.


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