sql week code example

Example 1: get hour from date sql

SELECT DATEPART(HOUR, GETDATE());

Example 2: sql server week number

datepart(wk, DateToParse)

Example 3: sql last week

select min(date), max(date)
from calendar
where week = datepart(week, getdate() - 7)
and year = datepart(year, getdate() - 7)