Come ottenere il primo e l'ultimo giorno del mese precedente (con timestamp) in SQL Server

117

Non sono riuscito a trovare la soluzione che fornisce il primo e l'ultimo giorno del mese precedente con timestamp. Spero che questo aiuti gli altri. Se esiste già una soluzione per questo problema mi scuso.

Ecco la soluzione.

 SELECT DATEADD(month, DATEDIFF(month, -1, getdate()) - 2, 0) as FirtDayPreviousMonthWithTimeStamp,
    DATEADD(ss, -1, DATEADD(month, DATEDIFF(month, 0, getdate()), 0)) as LastDayPreviousMonthWithTimeStamp

Ciò restituirà il seguente if currentdate = '2012-7-31'

risultato: 2012-06-01 00:00:00.000 2012-06-30 23:59:59.000

Ciò restituirà il seguente if currentdate = '2012-1-1'

risultato: 2011-12-01 00:00:00.000 2011-12-31 23:59:59.000

sql-server  datetime 
— Jay S
fonte
È una domanda o una risposta?
— Mark Byers
12
Ottenere l'ultimo secondo di una giornata è inutile. Se vuoi tutti i dati in un mese,> = giorno 1 e <giorno 1 del mese successivo è molto più utile.
— Aaron Bertrand

Risposte:

227 
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
— AnandPhadke
fonte
2
Se uso -1in DATEDIFFesso getta ed errore quelloThe arguments to the following function are not valid: DATEDIFF
— Thiru
1
@Thiru Non tutti i software SQL consentono 3 argomenti nella funzione DATEDIFF (). So che SQL Server lo fa, ma non sono sicuro che lo faccia MySQL.
— daOnlyBG
Datediff accetta solo due argomenti. Ottengo # 1582 - Conteggio parametri errato nella chiamata alla funzione nativa "DATEDIFF"
— Samuurai
1
@daOnlyBG - Questa è una domanda che circonda SQL Server
— Geoff Griswald il
111

Primo giorno della settimana corrente.

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

Ultimo giorno della settimana corrente.

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

Primo giorno della scorsa settimana.

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

L'ultimo giorno della settimana scorsa.

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

Primo giorno della prossima settimana.

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

L'ultimo giorno della prossima settimana.

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

Primo giorno del mese corrente.

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

Ultimo giorno del mese corrente.

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

In questo esempio funziona solo la data è 31. e i giorni rimanenti non lo sono.

Primo giorno dello scorso mese.

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

L'ultimo giorno dello scorso mese.

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

Primo giorno del prossimo mese.

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

L'ultimo giorno del prossimo mese.

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

Primo giorno dell'anno in corso.

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

L'ultimo giorno dell'anno in corso.

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

Primo giorno dell'anno scorso.

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

L'ultimo giorno dell'anno scorso.

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

Primo giorno del prossimo anno.

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

L'ultimo giorno del prossimo anno.

select CONVERT(varchar,dateadd(ms,-2,dateadd(year,0,dateadd(year,datediff(year,0,getdate())+2,0))),106)
— RAGUTHU SATYANARAYANA
fonte
4
STYANARA, molte buone funzioni, grazie. Cosa intendi quando dici "In questo esempio funziona solo la data è 31. e i giorni rimanenti no." Non sono sicuro di aver capito a quale ti riferisci.
— Alan Fisher
1
Sto cercando di risolvere lo stesso. Quella frase non ha senso.
— kenjara
Ho provato il primo giorno del mese corrente oggi il primo giorno del mese ed è tornato il primo giorno del mese scorso.
— Milestyle
Bello! Funzioni molto utili per svolgere il tuo lavoro sql quotidiano
— UpwardD
Non pensare che CONVERT sia la soluzione migliore se CAST è disponibile
— Kennah
17 
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
— Dilip Kr Singh
fonte
14

Soluzione

Il formato della data che hai richiesto è chiamato formato ODBC (codice 120 ).

Per calcolare effettivamente i valori richiesti, includi quanto segue nel tuo SQL.

Copia incolla...

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()))

... e usa nel tuo codice:

  • @FirstDayOfLastMonth
  • @LastDayOfLastMonth

Tieni presente che deve essere incollato prima di qualsiasi istruzione che fa riferimento ai parametri, ma da quel momento in poi puoi fare riferimento a @FirstDayOfLastMonth e @LastDayOfLastMonth nel tuo codice.

Esempio

Vediamo un po 'di codice in azione:

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]

Eseguire il codice precedente per produrre il seguente output:

Figura a

Nota: tieni presente che la data odierna per me è il 12 settembre 2016 .

Altro (per completezza)

Parametri di data comuni

Ti manca di più?

Per impostare una gamma più completa di utili parametri relativi alla data, includi quanto segue nel tuo SQL: 

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))))

Avrebbe più senso includerlo prima, preferibilmente all'inizio della procedura o della query SQL.

Una volta dichiarati, i parametri possono essere referenziati ovunque nel codice, tutte le volte che ne hai bisogno.

Esempio

Vediamo un po 'di codice in azione:

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];

Eseguire il codice precedente per produrre il seguente output:

inserisci qui la descrizione dell'immagine

Se manca il tuo paese, è perché non conosco il codice. Sarebbe molto utile e apprezzato se potessi modificare questa risposta e aggiungere una nuova colonna per il tuo paese.

Grazie in anticipo.

Nota: tieni presente che la data odierna per me è il 12 settembre 2016 .

Riferimenti

Per ulteriori letture sullo standard internazionale di data ISO8601, segui questo link:

Per ulteriori letture sullo standard internazionale di data ODBC, segui questo collegamento:

Per visualizzare l'elenco dei formati di data da cui ho lavorato, segui questo collegamento:

Per ulteriori informazioni sul tipo di dati DATETIME, segui questo link:

— Taumaturgo
fonte
4 
SELECT DATEADD(m,DATEDIFF(m,0,GETDATE())-1,0) AS PreviousMonthStart

SELECT DATEADD(ms,-2,DATEADD(month, DATEDIFF(month, 0, GETDATE()), 0)) AS PreviousMonthEnd
— Howard Rothenburg
fonte
3

Da SQL2012, è stata introdotta una nuova funzione chiamata EOMONTH. Utilizzando questa funzione è possibile trovare facilmente il primo e l'ultimo giorno dell'ultimo mese.

select DATEADD(DD,1,EOMONTH(Getdate(),-2)) firstdayoflastmonth, EOMONTH(Getdate(), -1) lastdayoflastmonth
— Diwakar
fonte
1

Ho utilizzato la seguente logica nei rapporti SSRS.

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
— Thiru
fonte
1

È possibile ottenere il primo e l'ultimo giorno del mese precedente (con timestamp) in SQL Server eseguendo

--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**
— AMIT SINHA
fonte
1

Prendi una data base che sia il 31 di qualche mese, ad esempio "20011231". Quindi utilizzare la
seguente procedura (ho fornito 3 esempi identici di seguito, solo il valore @dt è diverso).

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');
— peter.petrov
fonte
1

Ecco un modo abbastanza semplice e dinamico. Per l'ultimo giorno del mese scorso, sottrai il giorno numerico corrente dalla data odierna. Per il primo giorno del mese scorso, usa lo stesso codice, ripeti semplicemente sottraendo il giorno numerico dal risultato precedente e aggiungi 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
— Geoffrey Fuller
fonte
1

Per ottenere il primo appuntamento del mese scorso:

select DATEADD(MONTH, DATEDIFF(MONTH, 0, GETDATE())-1, 0) LastMonthFirstDate

Per ottenere l'ultima data del mese scorso:

select DATEADD(MONTH, DATEDIFF(MONTH, -1, GETDATE())-1, -1) LastMonthEndDate
— Ravi Sharma
fonte
Questa è praticamente solo una ripetizione di questa risposta esistente .
— Pang
1

Non ho ancora visto questa soluzione presentata; questa è la mia preferenza per la sua leggibilità più semplice:

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

Questo è il modo più semplice che conosco per ottenere il primo giorno del mese precedente:

Passaggio 1: sposta i dati su Postgres

Passo 2: 

select date_trunc('month', getdate()) - '1 MONTH'::interval;
— Marcus
fonte
date_trunc non disponibile in SQL Server.
— DtechNet
1
@DtechNet grazie! Ho aggiornato la mia risposta per tenerne conto.
— Marcus
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