MySQL ADDDATE() Function
The adddate() is a MySQL date/time function. It is used to get the date in which some time/date intervals are added.
Date: date to be added in intervals
Days: number of days to be added in date
Value: value of date/time is upto the user. Positive and negative values can be given.
Unit: it is unit type of interval.
This function returns the date in which some time/date intervals are added.