Comments on: SQL Puzzle: SQL Advance Query – Find number the first day of Quarter of Year https://www.dbrnd.com/2017/10/sql-puzzle-sql-advance-query-find-number-the-first-day-of-quarter-of-year/ BIGData | NoSQL | MSSQL | MySQL | PostgreSQL Thu, 23 Aug 2018 05:19:07 +0000 hourly 1 https://wordpress.org/?v=7.0.5 By: Shari https://www.dbrnd.com/2017/10/sql-puzzle-sql-advance-query-find-number-the-first-day-of-quarter-of-year/#comment-6617 Thu, 23 Aug 2018 05:19:07 +0000 https://www.dbrnd.com/?p=6075#comment-6617 DECLARE @AnyDate DATETIME
SET @AnyDate =’9 Nov 2018′
–GETDATE()

SELECT @AnyDate AS ‘Input Date’,
DATEADD(q, DATEDIFF(q, 0, @AnyDate), 0)
AS ‘Quarter Start Date’

]]> By: Dinesh.IS https://www.dbrnd.com/2017/10/sql-puzzle-sql-advance-query-find-number-the-first-day-of-quarter-of-year/#comment-5914 Thu, 12 Oct 2017 06:58:24 +0000 https://www.dbrnd.com/?p=6075#comment-5914 –Method-2
Declare @InPutDate DateTime=’2017/09/08′
;
WITH CTE
As
(Select (Convert(DateTime,Convert(VarChar(4),Year(@InputDate))+’/’+Cast(Monthid As VarChar(2))+’/’+Cast(‘1’ As VarChar(4)))) QuaterDay
From (Select 1 As Monthid
Union All
Select 4 As Monthid
Union All
Select 7 As Monthid
Union All
Select 10 As Monthid) A)
Select Max(QuaterDay) As QuaterDay From CTE Where QuaterDay<=@InputDate

]]> By: Dinesh.IS https://www.dbrnd.com/2017/10/sql-puzzle-sql-advance-query-find-number-the-first-day-of-quarter-of-year/#comment-5913 Thu, 12 Oct 2017 06:51:57 +0000 https://www.dbrnd.com/?p=6075#comment-5913 Declare @InPutDate DateTime=’2017/09/08′
;
WITH CTE
(Monthid,QuaterMonth)
As
(Select 1 As Monthid,0 As Quater
Union All
Select Monthid+1,Monthid%3
From CTE Where Monthid+1<=12),
N
As
(Select Convert(DateTime,Convert(VarChar,Year(@InPutDate))+'/'+Cast(Monthid As VarChar(2))+'/'+Cast('1' As VarChar(2))) As QuaterMonth From CTE Where QuaterMonth=0
)
Select Max(QuaterMonth) As QuaterDay From N Where QuaterMonth<=@InPutDate

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