How to add minutes to the time part of datetime

问题

How to add minutes(INT) to the time part of datetime ?

For example :

If i have datetime variable like this :

  @shift_start_time =  2015-11-01 08:00:00.000

  @increase = 30

---

How to get the result :

2015-11-01 08:30:00.000

回答1:

Use DATEADD:

SELECT DATEADD(mi, @increase,   @shift_start_time);

db<>fiddle demo

回答2:

Using dateadd:

DATEADD(minute,@increase,@shift_start_time)

the first argument can be chosen among: year quarter month dayofyear day week weekday hour minute second millisecond microsecond nanosecond

please check https://msdn.microsoft.com/it-it/library/ms186819%28v=sql.120%29.aspx

回答3:

To add minutes to the time part of datetime =>

SELECT DATEADD("mi", @increase,   @shift_start_time);

来源：https://stackoverflow.com/questions/33760529/how-to-add-minutes-to-the-time-part-of-datetime