Diff Date Sql Server. Sql server datediff function returns the difference in seconds minutes hours days weeks. The datediff sql server function allows to calculate the difference between two values of date and time in units of a certain element i e.
In ms sql server the datediff function is used to get the difference between two dates in terms of years months days hours minutes etc. Select datediff 2018 08 09 2018 08 18. This api has a precision fixed at 100 nanoseconds.
Sql server 2019 15 x derives the date and time values through use of the getsystemtimeasfiletime windows api.
This api has a precision fixed at 100 nanoseconds. The result is nine days. Year month day it takes into account only a certain element and higher elements in the time hierarchy but not lower elements. Datepart the units in which datediff reports the difference between the startdate and.