replace by null value
replace by empty date
replace by maximum date valid for the parameter
replace by minimum date valid for the parameter
replace by maximum date valid for the paramrter plus one day
replace by maximum date valid for the paramrter minus one day
add 100 years to the date
subtract 100 years to the date
replace by the last day of the previous millennium
replace by the first day of this millennium
replace by null value
replace by predefined value