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Message Icon Topic: Can we create a view in Crystal Report? Post Reply Post New Topic
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sophieTaureau
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Quote sophieTaureau Replybullet Topic: Can we create a view in Crystal Report?
     Posted: 26 Jan 2012 at 3:36am

Hi,

I need to create a view like in sql, the part in parenthesis like this:
 
select xxx
from xxx, ( select xxx
                  from xxx)
 
Would I? If not, what I can do to realise it?
 
Thanks so much...


Edited by sophieTaureau - 26 Jan 2012 at 3:36am
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DBlank
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Quote DBlank Replybullet Posted: 26 Jan 2012 at 3:55am
this would be a command object
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sophieTaureau
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Quote sophieTaureau Replybullet Posted: 26 Jan 2012 at 4:22am
Thanks DBlank
But in this view I want the complicated request like:
minimum(@duration), so I think command objet can't do that...
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DBlank
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Quote DBlank Replybullet Posted: 26 Jan 2012 at 4:26am
if @duration is a parameter you can add params into command objects and it is possible.
if @duration is a formula field in your report it would have to be created in the command


Edited by DBlank - 26 Jan 2012 at 4:26am
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sophieTaureau
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Quote sophieTaureau Replybullet Posted: 26 Jan 2012 at 5:28am

Dear Mr DBlank

@duration is a formula field !!
 
Would you help me clarifing how to create a formula in the command like minimum(@duration),
effect I want is:
select CodeP, minimum(@duration)
from table1
group by CodeP;
 
PLEASE!!!
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DBlank
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Quote DBlank Replybullet Posted: 26 Jan 2012 at 5:53am

what is the formula for @ duration or what is it supposed to be calculating?
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sophieTaureau
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Quote sophieTaureau Replybullet Posted: 26 Jan 2012 at 7:11am
@ duration =start-finish, it's not important,
Mr DBlank , I want know How to apply the formula in command
in the field SQL when creating the command?
or the step(clik where)  please!Smile
 
Ps: because we can only create parameter when creating command, and parameter can't link with formule....
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DBlank
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Quote DBlank Replybullet Posted: 26 Jan 2012 at 7:33am
you cannot reference a crystal fomrula in the command but you can use SQL to replicate the formula result in the command
 
SELECT     codep, MAX(DATEDIFF(day, StartDate, EndDate)) AS duration
FROM         table1
GROUP BY codep
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sophieTaureau
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Quote sophieTaureau Replybullet Posted: 26 Jan 2012 at 11:36pm
Thanks so much, DBlank I will try that
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