DATEADD(<Unit of time>, <Units>, <Date>)
-- Add 5 days to 04/23/2021
DATEADD(DAY, 5, '2021-04-23')
-- Substract 5 days to 04/23/2021
DATEADD(MONTH, -5, '2021-04-23')
| Unit of time | Abbreviation |
|---|---|
| NANOSECOND | ns |
| MICROSECOND | mcs |
| MILLISECOND | ms |
| SECOND | ss, s |
| MINUTE | mi, n |
| HOUR | hh |
| WEEKDAY | dw, w |
| WEEK | wk, ww |
| DAY | dd, d |
| DAYOFYEAR | dy, d |
| MONTH | mm, m |
| QUARTER | qq, q |
| YEAR | yy, yyyy |
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