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  1. PO
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    <p>I think the following works:</p> <pre><code>select t.* from (select t.*, row_number() over (partition by r.requestid, IsWorkDay order by seqdate) as WorkDayNum from (select r.requestid, r.TransactionDate, (case when critical = 1 then 5 else 10 end) as DaysToRespond, dateadd(day, days.seqnum - 1, r.TransactionDate) as seqdate, (case when h.date is null then 1 else 0 end) as IsWorkDay from requests r cross join (select top 20 ROW_NUMBER() over (order by (select NULL)) as seqnum from information_schema.columns ) days left outer join holidays h on dateadd(day, days.seqnum - 1, r.TransactionDate) = h.date ) t ) t where WorkDayNum = DaysToRespond and IsWorkDay = 1 </code></pre> <p>This is untested, but here is the idea.</p> <p>Well, I have tested this, and it appears to return the right result in this case:</p> <pre><code>with holidays as ( select CAST('2012-01-01' as date) as date union all select CAST('2012-01-05' as date) as date union all select CAST('2012-01-06' as date) as date union all select CAST('2012-01-12' as date) as date union all select CAST('2012-01-13' as date) as date union all select CAST('2012-01-19' as date) as date union all select CAST('2012-01-20' as date) as date ), requests as ( select 1 as requestId, CAST('2012-01-02' as DATE) as TransactionDate, 1 as Critical ) select t.* from (select t.*, row_number() over (partition by t.requestid, IsWorkDay order by seqdate) as WorkDayNum from (select r.requestid, r.TransactionDate, (case when critical = 1 then 5 else 10 end) as DaysToRespond, dateadd(day, days.seqnum - 1, r.TransactionDate) as seqdate, (case when h.date is null then 1 else 0 end) as IsWorkDay from requests r cross join (select top 20 ROW_NUMBER() over (order by (select NULL)) as seqnum from INFORMATION_SCHEMA.columns ) days left outer join holidays h on dateadd(day, days.seqnum - 1, r.TransactionDate) = h.date ) t ) t where WorkDayNum = DaysToRespond+1 and IsWorkDay = 1 </code></pre> <p>This query creates a sequence of 20 days following the transaction date (Is 20 enough?). It then calculates the date for these days and compares the date to the holiday table.</p> <p>To count the number of days is uses <code>row_number()</code> partitioning by the request and workdays versus nonworkdays. The row to choose is the one that is a workday and the number of days after the transaction date. </p>
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    1. POGet Delivery Date 10 Business Days from Date of Request SQL
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    1. PTAnswer
    1. USGordon Linoff
    1. USGordon Linoff
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    1. COCompile error. When I replace `r.requestid` with `t.requestid` and `holiday.date` by `h.date`, it returns an empty rowset.
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      1. USAndomar
    2. CO@Andomar . . . Well, i have tested it. The `count(*)` syntax was dependent on SQL Server 2012, so I changed it to `row_number()`. And, it does work. I changed the reference in the `days` subquery to `information_schema.columns` rather than `holidays`. If the holidays table has too few rows, then it won't work.
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      1. USGordon Linoff
    3. CO[SQL Fiddle](http://sqlfiddle.com/#!6/a3a38/1/0) returns an empty rowset? Not sure what I'm missing. It's set to SQL 2012.
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      1. USAndomar
 

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