Как получить первый и последний день предыдущего месяца (с отметкой времени) в SQL Server

Ответ 1

select DATEADD(MONTH, DATEDIFF(MONTH, 0, GETDATE())-1, 0) --First day of previous month
select DATEADD(MONTH, DATEDIFF(MONTH, -1, GETDATE())-1, -1) --Last Day of previous month

Ответ 2

Первый день текущей недели.

select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),0),106)

Последний день текущей недели.

select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),6),106)

Первый день прошедшей недели.

select CONVERT(varchar,DATEADD(week,datediff(week,7,getdate()),0),106)

Последний день прошлой недели.

select CONVERT(varchar,dateadd(week,datediff(week,7,getdate()),6),106)

Первый день следующей недели.

select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),7),106)

Последний день следующей недели.

select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),13),106)

Первый день текущего месяца.

select CONVERT(varchar,dateadd(d,-(day(getdate()-1)),getdate()),106)

Последний день текущего месяца.

select CONVERT(varchar,dateadd(d,-(day(dateadd(m,1,getdate()))),dateadd(m,1,getdate())),106)

В этом примере Works on Only date 31, а оставшиеся дни - нет.

Первый день последнего месяца.

select CONVERT(varchar,dateadd(d,-(day(dateadd(m,-1,getdate()-2))),dateadd(m,-1,getdate()-1)),106)

Последний день последнего месяца.

select CONVERT(varchar,dateadd(d,-(day(getdate())),getdate()),106)

Первый день следующего месяца.

select CONVERT(varchar,dateadd(d,-(day(dateadd(m,1,getdate()-1))),dateadd(m,1,getdate())),106)

Последний день следующего месяца.

select CONVERT(varchar,dateadd(d,-(day(dateadd(m,2,getdate()))),DATEADD(m,2,getdate())),106)

Первый день текущего года.

select CONVERT(varchar,dateadd(year,datediff(year,0,getdate()),0),106)

Последний день текущего года.

select CONVERT(varchar,dateadd(ms,-2,dateadd(year,0,dateadd(year,datediff(year,0,getdate())+1,0))),106)

Первый день прошлого года.

select CONVERT(varchar,dateadd(year,datediff(year,0,getdate())-1,0),106)

Последний день прошлого года.

select CONVERT(varchar,dateadd(ms,-2,dateadd(year,0,dateadd(year,datediff(year,0,getdate()),0))),106)

Первый день следующего года.

select CONVERT(varchar,dateadd(YEAR,DATEDIFF(year,0,getdate())+1,0),106)

Последний день следующего года.

select CONVERT(varchar,dateadd(ms,-2,dateadd(year,0,dateadd(year,datediff(year,0,getdate())+2,0))),106)

Ответ 3

SELECT CONVERT(DATE,DATEADD(MM, DATEDIFF(MM, 0, GETDATE())-1, 0)) AS FirstDayOfPrevMonth
SELECT CONVERT(DATE,DATEADD(MS, -3, DATEADD(MM, DATEDIFF(MM, 0, GETDATE()) , 0))) AS LastDayOfPrevMonth

Ответ 4

Решение

Запрашиваемый формат даты называется ODBC (код 120).

Чтобы реально рассчитать запрошенные вами значения, включите в свой SQL следующее.

Copy, paste...

DECLARE
    @FirstDayOfLastMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, -1, GETDATE() - 2)) ), DATEADD(m, -1, GETDATE() - 1)))
    , @LastDayOfLastMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(GETDATE()) ), GETDATE()))

...and use in your code:

• @FirstDayOfLastMonth
• @LastDayOfLastMonth

Имейте в виду, что он должен быть вставлен раньше любых операторов, ссылающихся на параметры, но с этого момента вы можете ссылаться на @FirstDayOfLastMonth и @LastDayOfLastMonth в своем коде.

Пример

Давайте посмотрим код в действии:

DECLARE
    @FirstDayOfLastMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, -1, GETDATE() - 2)) ), DATEADD(m, -1, GETDATE() - 1)))
    , @LastDayOfLastMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(GETDATE()) ), GETDATE()))

SELECT
    'First day of last month' AS Title, CONVERT(VARCHAR, @FirstDayOfLastMonth , 120) AS [ODBC]
UNION 

SELECT 
    'Last day of last month' AS Title, CONVERT(VARCHAR, @LastDayOfLastMonth , 120) AS [ODBC]

Запустите приведенный выше код, чтобы получить следующий вывод:

Примечание. Имейте в виду, что для меня сегодня дата 12 сентября 2016 года.

More (for completeness' sake)

Общие параметры даты

Тебе не хочется большего?

Чтобы настроить более широкий диапазон параметров, связанных с удобными датами, включите в свой SQL-запрос следующее:

DECLARE
    @FirstDayOfCurrentWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 0, GETDATE()), 0))
    , @LastDayOfCurrentWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 0, GETDATE()), 6))
    , @FirstDayOfLastWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 7, GETDATE()), 0))
    , @LastDayOfLastWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 7, GETDATE()), 6))
    , @FirstDayOfNextWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 0, GETDATE()), 7))
    , @LastDayOfNextWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 0, GETDATE()), 13))
    , @FirstDayOfCurrentMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(GETDATE() - 1) ), GETDATE()))
    , @LastDayOfCurrentMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, 1, GETDATE())) ), DATEADD(m, 1, GETDATE())))
    , @FirstDayOfLastMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, -1, GETDATE() - 2)) ), DATEADD(m, -1, GETDATE() - 1)))
    , @LastDayOfLastMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(GETDATE()) ), GETDATE()))
    , @FirstDayOfNextMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, 1, GETDATE() - 1)) ), DATEADD(m, 1, GETDATE())))
    , @LastDayOfNextMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, 2, GETDATE())) ), DATEADD(m, 2, GETDATE())))
    , @FirstDayOfCurrentYear DATETIME = CONVERT(DATE, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()), 0))
    , @LastDayOfCurrentYear DATETIME = CONVERT(DATE, DATEADD(ms, -2, DATEADD(YEAR, 0, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()) + 1, 0))))
    , @FirstDayOfLastYear DATETIME = CONVERT(DATE, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()) - 1, 0))
    , @LastDayOfLastYear DATETIME = CONVERT(DATE, DATEADD(ms, -2, DATEADD(YEAR, 0, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()), 0))))
    , @FirstDayOfNextYear DATETIME = CONVERT(DATE, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()) + 1, 0))
    , @LastDayOfNextYear DATETIME = CONVERT(DATE, DATEADD(ms, -2, DATEADD(YEAR, 0, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()) + 2, 0))))

Было бы разумнее включить его раньше, желательно в начале вашей процедуры или SQL-запроса.

После объявления на параметры можно ссылаться в любом месте вашего кода столько раз, сколько вам нужно.

Пример

Давайте посмотрим код в действии:

DECLARE
    @FirstDayOfCurrentWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 0, GETDATE()), 0))
    , @LastDayOfCurrentWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 0, GETDATE()), 6))
    , @FirstDayOfLastWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 7, GETDATE()), 0))
    , @LastDayOfLastWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 7, GETDATE()), 6))
    , @FirstDayOfNextWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 0, GETDATE()), 7))
    , @LastDayOfNextWeek DATETIME = CONVERT(DATE, DATEADD(WEEK, DATEDIFF(WEEK, 0, GETDATE()), 13))
    , @FirstDayOfCurrentMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(GETDATE() - 1) ), GETDATE()))
    , @LastDayOfCurrentMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, 1, GETDATE())) ), DATEADD(m, 1, GETDATE())))
    , @FirstDayOfLastMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, -1, GETDATE() - 2)) ), DATEADD(m, -1, GETDATE() - 1)))
    , @LastDayOfLastMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(GETDATE()) ), GETDATE()))
    , @FirstDayOfNextMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, 1, GETDATE() - 1)) ), DATEADD(m, 1, GETDATE())))
    , @LastDayOfNextMonth DATETIME = CONVERT(DATE, DATEADD(d, -( DAY(DATEADD(m, 2, GETDATE())) ), DATEADD(m, 2, GETDATE())))
    , @FirstDayOfCurrentYear DATETIME = CONVERT(DATE, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()), 0))
    , @LastDayOfCurrentYear DATETIME = CONVERT(DATE, DATEADD(ms, -2, DATEADD(YEAR, 0, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()) + 1, 0))))
    , @FirstDayOfLastYear DATETIME = CONVERT(DATE, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()) - 1, 0))
    , @LastDayOfLastYear DATETIME = CONVERT(DATE, DATEADD(ms, -2, DATEADD(YEAR, 0, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()), 0))))
    , @FirstDayOfNextYear DATETIME = CONVERT(DATE, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()) + 1, 0))
    , @LastDayOfNextYear DATETIME = CONVERT(DATE, DATEADD(ms, -2, DATEADD(YEAR, 0, DATEADD(YEAR, DATEDIFF(YEAR, 0, GETDATE()) + 2, 0))))

SELECT  
    'a) FirstDayOfCurrentWeek.' AS [Title] ,
    @FirstDayOfCurrentWeek AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentWeek, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentWeek, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentWeek, 104) + ' ' + CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentWeek, 105) + ' ' + CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentWeek, 111) + ' ' + CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentWeek, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentWeek, 120) AS [ODBC]
UNION
SELECT  
    'b) LastDayOfCurrentWeek.' AS [Title] ,
    @LastDayOfCurrentWeek AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @LastDayOfCurrentWeek, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @LastDayOfCurrentWeek, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @LastDayOfCurrentWeek, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @LastDayOfCurrentWeek, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @LastDayOfCurrentWeek, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @LastDayOfCurrentWeek, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @LastDayOfCurrentWeek, 120) AS [ODBC]
UNION
SELECT  
    'c) FirstDayOfLastWeek.' AS [Title] ,
    @FirstDayOfLastWeek AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @FirstDayOfLastWeek, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @FirstDayOfLastWeek, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @FirstDayOfLastWeek, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @FirstDayOfLastWeek, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @FirstDayOfLastWeek, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @FirstDayOfLastWeek, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @FirstDayOfLastWeek, 120) AS [ODBC]
UNION
SELECT  
    'd) LastDayOfLastWeek.' AS [Title] ,
    @LastDayOfLastWeek AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @LastDayOfLastWeek, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @LastDayOfLastWeek, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @LastDayOfLastWeek, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @LastDayOfLastWeek, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @LastDayOfLastWeek, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @LastDayOfLastWeek, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @LastDayOfLastWeek, 120) AS [ODBC]
UNION
SELECT  
    'e) FirstDayOfNextWeek.' AS [Title] ,
    @FirstDayOfNextWeek AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @FirstDayOfNextWeek, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @FirstDayOfNextWeek, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @FirstDayOfNextWeek, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @FirstDayOfNextWeek, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @FirstDayOfNextWeek, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @FirstDayOfNextWeek, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @FirstDayOfNextWeek, 120) AS [ODBC]
UNION
SELECT  
    'f) LastDayOfNextWeek.' AS [Title] ,
    @LastDayOfNextWeek AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @LastDayOfNextWeek, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @LastDayOfNextWeek, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @LastDayOfNextWeek, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @LastDayOfNextWeek, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @LastDayOfNextWeek, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @LastDayOfNextWeek, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @LastDayOfNextWeek, 120) AS [ODBC]
UNION
SELECT  
    'g) FirstDayOfCurrentMonth.' AS [Title] ,
    @FirstDayOfCurrentMonth AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentMonth, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentMonth, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentMonth, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentMonth, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentMonth, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentMonth, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentMonth, 120) AS [ODBC]
UNION
SELECT  
    'h) LastDayOfCurrentMonth.' AS [Title] ,
    @LastDayOfCurrentMonth AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @LastDayOfCurrentMonth, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @LastDayOfCurrentMonth, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @LastDayOfCurrentMonth, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @LastDayOfCurrentMonth, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @LastDayOfCurrentMonth, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @LastDayOfCurrentMonth, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @LastDayOfCurrentMonth, 120) AS [ODBC]
UNION
SELECT  
    'i) FirstDayOfLastMonth.' AS [Title] ,
    @FirstDayOfLastMonth AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @FirstDayOfLastMonth, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @FirstDayOfLastMonth, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @FirstDayOfLastMonth, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @FirstDayOfLastMonth, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @FirstDayOfLastMonth, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @FirstDayOfLastMonth, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @FirstDayOfLastMonth, 120) AS [ODBC]
UNION
SELECT  
    'j) LastDayOfLastMonth.' AS [Title] ,
    @LastDayOfLastMonth AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @LastDayOfLastMonth, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @LastDayOfLastMonth, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @LastDayOfLastMonth, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @LastDayOfLastMonth, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @LastDayOfLastMonth, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @LastDayOfLastMonth, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @LastDayOfLastMonth, 120) AS [ODBC]
UNION
SELECT  
    'k) FirstDayOfNextMonth.' AS [Title] ,
    @FirstDayOfNextMonth AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @FirstDayOfNextMonth, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @FirstDayOfNextMonth, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @FirstDayOfNextMonth, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @FirstDayOfNextMonth, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @FirstDayOfNextMonth, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @FirstDayOfNextMonth, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @FirstDayOfNextMonth, 120) AS [ODBC]
UNION
SELECT  
    'l) LastDayOfNextMonth.' AS [Title] ,
    @LastDayOfNextMonth AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @LastDayOfNextMonth, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @LastDayOfNextMonth, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @LastDayOfNextMonth, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @LastDayOfNextMonth, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @LastDayOfNextMonth, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @LastDayOfNextMonth, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @LastDayOfNextMonth, 120) AS [ODBC]
UNION
SELECT  
    'm) FirstDayOfCurrentYear.' AS [Title] ,
    @FirstDayOfCurrentYear AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentYear, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentYear, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentYear, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentYear, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentYear, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentYear, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @FirstDayOfCurrentYear, 120) AS [ODBC]
UNION
SELECT  
    'n) LastDayOfCurrentYear.' AS [Title] ,
    @LastDayOfCurrentYear AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @LastDayOfCurrentYear, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @LastDayOfCurrentYear, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @LastDayOfCurrentYear, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @LastDayOfCurrentYear, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @LastDayOfCurrentYear, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @LastDayOfCurrentYear, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @LastDayOfCurrentYear, 120) AS [ODBC]
UNION
SELECT  
    'o) FirstDayOfLastYear.' AS [Title] ,
    @FirstDayOfLastYear AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @FirstDayOfLastYear, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @FirstDayOfLastYear, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @FirstDayOfLastYear, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @FirstDayOfLastYear, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @FirstDayOfLastYear, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @FirstDayOfLastYear, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @FirstDayOfLastYear, 120) AS [ODBC]
UNION
SELECT  
    'p) LastDayOfLastYear.' AS [Title] ,
    @LastDayOfLastYear AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @LastDayOfLastYear, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @LastDayOfLastYear, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @LastDayOfLastYear, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @LastDayOfLastYear, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @LastDayOfLastYear, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @LastDayOfLastYear, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @LastDayOfLastYear, 120) AS [ODBC]
UNION
SELECT  
    'q) FirstDayOfNextYear.' AS [Title] ,
    @FirstDayOfNextYear AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @FirstDayOfNextYear, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @FirstDayOfNextYear, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @FirstDayOfNextYear, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @FirstDayOfNextYear, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @FirstDayOfNextYear, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @FirstDayOfNextYear, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @FirstDayOfNextYear, 120) AS [ODBC]
UNION
SELECT  
    'r) LastDayOfNextYear.' AS [Title] ,
    @LastDayOfNextYear AS [DATE (Server default)] ,
    CONVERT(VARCHAR, @LastDayOfNextYear, 127) AS [ISO8601] ,
    CONVERT(VARCHAR, @LastDayOfNextYear, 103) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [British&French] ,
    CONVERT(VARCHAR, @LastDayOfNextYear, 104) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [German] ,
    CONVERT(VARCHAR, @LastDayOfNextYear, 105) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Italian] ,
    CONVERT(VARCHAR, @LastDayOfNextYear, 111) + ' ' +  CONVERT(CHAR(5), @FirstDayOfCurrentWeek, 108) AS [Japan] ,
    CONVERT(VARCHAR, @LastDayOfNextYear, 100) AS [U.S.] ,
    CONVERT(VARCHAR, @LastDayOfNextYear, 120) AS [ODBC];

Запустите приведенный выше код, чтобы получить следующий вывод:

Если ваша страна отсутствует, то это потому, что я не знаю ее код. Было бы очень полезно и полезно, если бы вы могли отредактировать этот ответ и добавить новый столбец для вашей страны.

Заранее спасибо.

Примечание. Имейте в виду, что для меня сегодня дата 12 сентября 2016 года.

Ссылки

Для получения дополнительной информации о международном стандарте даты ISO8601 перейдите по этой ссылке:

• https://en.wikipedia.org/wiki/ISO_8601

Для получения дополнительной информации о международном стандарте даты ODBC перейдите по этой ссылке:

• https://technet.microsoft.com/en-us/library/ms190234(v=sql.90).aspx

Чтобы просмотреть список форматов дат, с которыми я работал, перейдите по этой ссылке:

• https://msdn.microsoft.com/en-GB/library/ms187928.aspx

Для дальнейшего чтения о типе данных DATETIME перейдите по этой ссылке:

• https://msdn.microsoft.com/en-GB/library/ms187819.aspx

Ответ 5

SELECT DATEADD(m,DATEDIFF(m,0,GETDATE())-1,0) AS PreviousMonthStart

SELECT DATEADD(ms,-2,DATEADD(month, DATEDIFF(month, 0, GETDATE()), 0)) AS PreviousMonthEnd

Ответ 6

Из SQL2012 появилась новая введенная функция EOMONTH. Используя эту функцию, можно легко найти первый и последний день месяца.

select DATEADD(DD,1,EOMONTH(Getdate(),-1)) firstdayofmonth, EOMONTH(Getdate()) lastdayofmonth

Ответ 7

Я еще не видел этого решения; это мое предпочтение для него более простая читаемость:

select dateadd(month,-1,format(getutcdate(),'yyyy-MM-01'))

Ответ 8

Это самый простой из известных мне способов получить первый день предыдущего месяца:

Шаг 1. Переместите данные в Postgres

Шаг 2:

select date_trunc('month', getdate()) - '1 MONTH'::interval;

Ответ 9

В отчетах SSRS я использовал следующую логику.

BUS_DATE = 17-09-2013

X=DATEADD(MONTH,-1,BUS_DATE) = 17-08-2013

Y=DAY(BUS_DATE)=17

first_date = DATEADD(DAY,-Y+1,X)=01-08-2013

last_date  = DATEADD(DAY,-Y,BUS_DATE)=31-08-2013

Ответ 10

Возьмите некоторую базовую дату, которая составляет 31-е число месяца, например. '20011231'. Затем используйте следующая процедура (я привел 3 одинаковых примера ниже, только значение @dt отличается).

declare @dt datetime;

set @dt = '20140312'

SELECT DATEADD(month, DATEDIFF(month, '20011231', @dt), '20011231');



set @dt = '20140208'

SELECT DATEADD(month, DATEDIFF(month, '20011231', @dt), '20011231');



set @dt = '20140405'

SELECT DATEADD(month, DATEDIFF(month, '20011231', @dt), '20011231');

Ответ 11

Здесь довольно прямой и динамичный путь. За последний месяц прошлого дня вычтите текущий числовой день с сегодняшнего дня. Для первого дня последнего месяца используйте тот же код, просто повторите вычитание числового дня из предыдущего результата и добавьте 1.

declare @PriorEOM as datetime
declare @PriorFOM as datetime

Set @PriorEOM = dateadd(day,-day(getdate()),getdate())

Set @PriorFOM = dateadd(day,-day(@PriorEOM) + 1,@PriorEOM)

Print @PriorEOM
Print @PriorFOM

Ответ 12

Вы можете получить первый и последний день предыдущего месяца (с отметкой времени) в SQL Server выполнив

--select dateadd(dd,-datepart(dd,getdate())+1,dateadd(mm,-1,getdate())) --first day of previous month 
--select dateadd(dd,-datepart(dd,getdate()),getdate()) -- last day of previous month**