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 t-sql 2008 next case statements
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Constraint Violating Yak Guru

332 Posts

Posted - 02/23/2014 :  23:42:01  Show Profile  Reply with Quote
I have a question about understanding nested case statements in sql server 2008:
The sql looks like the folloiwng:
select numberofcases
from inventory
where inventory_cnt > 1000
(when select top 1
from inventory
where inventory_cnt > 750
then numberofcases = 750 * 30
when select top 2
from inventory
where inventory_cnt > 975
then numberofcases = 975 * 35
when select top 3
from inventory
where inventory_cnt > 1025
then numberofcases = 1025 / 10
when select top 4
from inventory
where inventory_cnt > 1050
then numberofcases = 1050 / 5) c * 2
as casesused, select CustomerNumber from inventory

I would like you to explain the following:
1. There are 4 when statements. Will the logic hit each when statemnet or will the logic
stop once the first when statement is true?
2. Would you explain what the c* 2 means from the school listed above?

In (Som, Ni, Yak)

17689 Posts

Posted - 02/23/2014 :  23:48:26  Show Profile  Reply with Quote
is that a complete workable query ?

Time is always against us

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Constraint Violating Yak Guru

332 Posts

Posted - 02/24/2014 :  10:12:37  Show Profile  Reply with Quote
found answer
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Bustaz Kool
Flowing Fount of Yak Knowledge

1834 Posts

Posted - 02/24/2014 :  18:59:20  Show Profile  Reply with Quote
Thanks for sharing...

There are two kinds of light -- the glow that illuminates, and the glare that obscures. -James Thurber (1894-1961)
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