SQL - 获取月份/季度的数字日

Question

使用 SQL Server 2005:

如何在查询中获取月份中的日期和季度中的日期？

DECLARE @DATE DATETIME
SET @DATE = GETDATE()

SELECT DATEPART(dy, @DATE) AS DayOfYear
    --, <something> AS DayOfQuarter
    --, <something> AS DayOfMonth
    , DATEPART(dw, @DATE) AS DayOfWeek

提前致谢!

Answer 1

DECLARE @DATE DATETIME
SET @DATE = GETDATE()

SELECT DATEPART(dy, @DATE) AS DayOfYear
    , DATEDIFF(d, DATEADD(qq, DATEDIFF(qq, 0, @DATE), 0), @DATE) + 1 AS DayOfQuarter
    , DAY(@Date) AS DayOfMonth
    , DATEPART(dw, @DATE) AS DayOfWeek