To GET the all FRIDAY's date of a particular month of a year

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Hi

I want to get the all firdays date for a particular month of a year in sql server .
Please help me out to design a query for that.

thanx in advance.

Posted 13-Dec-11 19:46pm

Member 8244101

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Member 8244101 14-Dec-11 3:30am

Hi thnx for your valuable suggestions.

Actually i want them(friday's date) in a single row.

2 solutions

Solution 1

The first problem is that the amount of Fridays per each month is changing. Sometimes you have four and sometimes five.

One possibility is to have a table which contains all dates and you restrict dates from that table for the desired period and use DATEPART[^] to check the day of the week (if it's Friday). Something like:

SQL

SELECT [Date]
FROM AllDates
WHERE [Date] BETWEEN @start AND @end
AND DATEPART(dw, [Date]) = 6;

Another way could be using table valued functions to generate the rows. For example see: Using Table-Valued Functions in SQL Server[^]

Posted 13-Dec-11 20:12pm

Wendelius

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Amir Mahfoozi · Accepted Answer · 2011-12-13T20:22:00

Try this :

SQL

declare @year int 
set  @year  = 2011
declare @month int 
set  @month   = 12
declare @sd as datetime
declare @fd as datetime
set @sd = CAST(CAST(@year AS varchar) + '-' + CAST(@month AS varchar) + '-1' AS DATETIME)
set @fd = DATEADD(DAY, -(DAY(DATEADD(MONTH, 1, @sd))), DATEADD(MONTH, 1, @sd))


while @sd<=@fd 
begin
if datepart(dw, @sd) = 6 
 print cast (@sd as varchar(max))  +  ' is Friday.'
 set @sd = DATEADD(DAY, 1, @sd)
end;

Good Luck.