INTERVIEW QUESTIONS CERTIFICATION EXAMS SYBASE CERTIFICATION EXAMS DETAILS

Question: The employees table has an index created as follows:
create index emp_index1
on employees(last_name, first_name desc)
Which of the following queries would not require a sort? (Choose 2)
A. select * from employees order by last_name, first_name
B. select * from employees order by last_name ASC, first_name DESC
C. select * from employees order by first_name DESC, last_name ASC
D. select * from employees order by last_name DESC, first_name ASC

Answer: B. select * from employees order by last_name ASC, first_name DESC
D. select * from employees order by last_name DESC, first_name ASC

B. select * from employees order by last_name ASC, first_name DESC
D. select * from employees order by last_name DESC, first_name ASC
Source: CoolInterview.com

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