Algumas funções bem interessante sobre datas do SQL Server, alguma delas podem ser úteis para sua vida.
select DATEPART(dw, GETDATE()) as 'DIA'
DIA
-----------
6
GETDATE() + 10 AS '10 dias a mais',
GETDATE() - 10 AS '10 dias atrás'
Today 10 dias a mais 10 dias atrás
----------------------- ----------------------- -----------------------
2011-05-27 11:19:11.570 2011-06-06 11:19:11.570 2011-05-17 11:19:11.570
SELECT DAY ( GETDATE() ) AS 'DIA',
MONTH( GETDATE() ) AS 'Mês',
YEAR ( GETDATE() ) AS 'Ano'
DIA Mês Ano
----------- ----------- -----------
27 5 2011
SELECT DATEPART(DAY, GETDATE()) AS 'Dia',
DATEPART(MONTH, GETDATE()) AS 'Mês',
DATEPART(YEAR, GETDATE()) AS 'Ano',
DATEPART(HOUR, GETDATE()) AS 'Hora',
DATEPART(MINUTE, GETDATE()) AS 'Minuto',
DATEPART(SECOND, GETDATE()) AS 'Segundo'
Dia Mês Ano Hora Minuto Segundo
------ --------- --------- ---------- ----------- -----------
27 5 2011 11 35 10
SELECT GETDATE() AS 'Today',
DATEADD(DAY, 10, GETDATE()) AS '10 Dias a mais',
DATEADD(DAY, -10, GETDATE()) AS '10 Dias atrás',
DATEADD(MONTH, 1, GETDATE()) AS 'Próximo Mês',
DATEADD(MONTH, -1, GETDATE()) AS 'Mês Anterior',
DATEADD(YEAR, 1, GETDATE()) AS 'Próximo Ano',
DATEADD(YEAR, -1, GETDATE()) AS 'Ano Passado'
DECLARE @Today DATETIME = GETDATE()
DECLARE @IDay DATETIME = '2011-05-27 08:30:00'
SELECT DATEDIFF(DAY, @Today, @IDay) AS 'Days Left',
DATEDIFF(MONTH, @Today, @IDay) AS 'Months Left',
DATEDIFF(YEAR, @Today, @IDay) AS 'Years Left',
DATEDIFF(QUARTER, @Today, @IDay) AS 'Quarters Left',
DATEDIFF(HOUR, @Today, @IDay) AS 'Hours Left',
DATEDIFF(MINUTE, @Today, @IDay) AS 'Minutes Left',
DATEDIFF(SECOND, @Today, @IDay) AS 'Seconds Left'Days Left Months Left Years Left Quarters Left Hours Left Minutes Left Seconds Left
----------- ----------- ----------- ------------- ----------- ------------ ------------
-385 -12 -1 -4 -9243 -554590 -33275437
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