Start_date&lt;=’2005-01-01’
A. All employees between 2007 and 2005
B. All employees from 2007 to 2005
C. Empty set
D. None of these
Answer:A
Start_date&lt;=’2005-01-01’
A. All employees between 2007 and 2005 B. All employees from 2007 to 2005 C. Empty set D. None of these
Explanation: No query can have a date which is greater than ‘2007-01-01’ but less than ‘2005-01-01.