Date/Time Functions
addtime adds a period of time to a date
mer_day day of month
day_of_week name for day of the week
dow day of week
diffdate returns the difference between two dates
firstday converts a date to the first day of the month with the time set to zero
mer_hour hour
julian day of year
lastday converts a date to the first day of the next month with the time set to
23:59:59:9999
makedate create a date/time value from integer values;
maxtime set the time of a date to 23:59:59.9999
mer_minute minute
mer_month month
month_of_year name of the month
msec milliseconds
quarter returns the quarter based upon a date (96Q1)
sec seconds
subtime subtract a period of time from a date
mer_year year
week returns a number representing the week which date falls in
zerotime sets the time portion of a date variable to zero