In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause?

Related MCQs

• State true or false. i) Select operator is not a unary operator. ii) Project operator chooses subset of attributes or columns of a relation.
• ANSI-standard SQL allows the use of special operators in conjunction with the WHERE clause. A special operator used to check whether an attribute value is null is
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• A type of query that is placed within a WHERE or HAVING clause of another query is called
• A type of query that is placed within a WHERE or HAVING clause of another query is called
• If you don’t specify ASC or DESC after a SQL ORDER BY clause, the following is used by default ______________
• Which of the following is used at the end of the view to reject the tuples which do not satisfy the condition in where clause?
• Which oracle is the join condition is specified using the WHERE clause: