如何将SQL中的秒数转换为人类可读的持续时间？

In a SQL-database I make some selects, that get an duration (as result of a subtraction between two dates) in seconds as an int. But I want to format this result in a human-readable form like 'hh:mm' or 'dd:hh'. Is that possible in SQL and how can I realize this?In a SQL-database I make some selects, that get