Þ C. THE DATE TRUNC FUNCTION DOES NOT PERFORM ROUNDING, AND SINCE T...

6. þ C. The date TRUNC function does not perform rounding, and since the

degree of truncation is YEAR, the day and month components of the given

date are ignored and the first day of the year it belongs to is returned.

ý A, B, and D. A returns the last day in the month in which the given date

occurs, and B returns a result achieved by rounding instead of truncation.