Q13. Which is the default column or columns for sorting output from compound queries using SET operators such as intersect In a SQL statement?
- (A). the first column in the first select of the compound query
- (B). the first varchab2 column in the first select of the compound query
- (C). the first number column in the first select of the compound query
- (D). the first number or varchar2 column in the last select of the compound query
- (E). the first column in the last select of the compound query
Answer: A