Usage: DATE_FORMAT () function is used to display the date / time data in different formats
1, grammar
date_fromat(date，format)
Description: date parameter is legitimate date. format output format predetermined date / time.
2, format
% D month of day value (00-31)
% p morning, afternoon identification, AM or the PM
% h H, values (01-12) 12-hour% H hour value (00-23) 24-hour
% M month, month name (English)
% M month, values (00-12)
% Y Year, four
% Y Year, 2