https://www.dbrnd.com/2018/03/sql-puzzle-count-total-number-of-working-days-between-two-dates/ BIGData | NoSQL | MSSQL | MySQL | PostgreSQL Fri, 03 May 2019 10:29:34 +0000 hourly 1 https://wordpress.org/?v=7.0.4 https://www.dbrnd.com/2018/03/sql-puzzle-count-total-number-of-working-days-between-two-dates/#comment-7090 Fri, 03 May 2019 10:29:34 +0000 https://www.dbrnd.com/?p=7170#comment-7090 PL/SQL:
with wd(wday) as (
select to_date(‘01.01.2018’, ‘dd.mm.yyyy’) from dual
union all
select wday + 1 from wd where wday < to_date('31.01.2018', 'dd.mm.yyyy')
)
select count(wday)
from wd
where to_char(wday, 'd') not in (1, 7);

]]> https://www.dbrnd.com/2018/03/sql-puzzle-count-total-number-of-working-days-between-two-dates/#comment-6456 Tue, 22 May 2018 11:21:08 +0000 https://www.dbrnd.com/?p=7170#comment-6456 declare @startdate date = ‘2018-01-01’
declare @EndDate date = ‘2018-01-31’
declare @working_days int = 0
while (@startdate <= '2018-01-31')
begin
select @working_days = case when DATENAME(weekday, @startdate) IN ('Saturday', 'Sunday') then @working_days
else @working_days +1
end
select @startdate = dateadd(day,1,@startdate)
end
select @working_days

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