func setDateFormat(_ format: String)

The functions setDateFormat() and setDateDelimiter() defines a date format which will be used when you get or date as a string.
The delimiter can be any. Usually ./-
Formats are:

• dmy : day-month-year
• mdy : month-day-year
• ymd : year-month-day
• asis : year-month-day without delimiter, i.e. YYYYMMDD

func setDateDelimiter(_ c: Int8)

{
    // your code
    dbf.setDateFormat("ymy")
    dbf.setDateDelimiter('-')
    // your code
}