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Bussiness Logic Need in SQL Statement

Posted on 2010-08-24
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Last Modified: 2012-05-10
Hello Experts,

I'm working on Reconciliation Report, where I'm missing Logic:

1. I need to Check the Record exists in given  Date Range, if no records exists. I need to search beyond another nearest date range from  the table datetime field.


 
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Question by:ASPDEV
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Accepted Solution

by:
vdr1620 earned 500 total points
ID: 33512090
Try using
 IF (SELECT COUNt(*) FROM TableName WHERE Date between '08-20-2010' and '08-21-2010')  > 1
BEGIN
SELECT Statement
END
ELSE
BEGIN
SELECT Statement
END

OR
 you can use IF EXISTS as in the Link
http://articles.techrepublic.com.com/5100-10878_11-6180272.html

OR
you Can use CASE WHEN in where Clause of select statement depending on the requirement
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LVL 5

Expert Comment

by:almander
ID: 33512103
you could use the exists function in an If, or Join

Exists(      
SELECT X FROM X WHERE X)
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Author Comment

by:ASPDEV
ID: 33513361
This is my requirement, I need to get the closet datetime value if the given date ranges doesn't get any results.

The datetime value from the table must be close eniough to get me the results.

e.g

Quantity

ID  datetime        Qty
1   08/02/2010    100
2   08/06/2010    300
3   08/21/2010    400


If user has give date = 08/07/2010  it should check the nearest datetime(Can be greater or lesser) so that it can find results.

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LVL 5

Expert Comment

by:almander
ID: 33513445
See snippet
declare @userDate datetime

select @userDate = GetDate()



select top 1 id 

from yourtablename 

order by abs(datediff(n, [datetime], @userDate))

Open in new window

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LVL 5

Expert Comment

by:almander
ID: 33513463
Just noticed table name
declare @userDate datetime

select @userDate = GetDate()



select top 1 *

from Quantity

order by abs(datediff(n, [datetime], @userDate))

Open in new window

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LVL 5

Expert Comment

by:almander
ID: 33773997
Provided resolution to question.
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Author Closing Comment

by:ASPDEV
ID: 33834980
Thanks
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