ING with DATETIME, DATE, and INTERVAL VALUES
Complete docs on date/time data types may be found at : http://www.postgresql.org/idocs/index.php?datatype-datetime.html. I will not attempt to reproduce them here. Instead, I will simply try to explain to the beginner what you need to know to actually work with dates, times, and intervals. DATETIME or TIMESTAMP : Structured "real" date and time values, containing year, month, day, hour, minute,..
2007. 6. 4.