If Then Else Query in Cognos 10.0

Hello Experts,

I have data with column  Fiscal Year; Fiscal Week; Fiscal Month; Transaction Date; Order Amount - C$

I used below mentioned syntax to calculate "Day of the Week"

_day_of_week ([Transaction Date],1) ( i got the results 1 for Monday; 2 for Tuesday ........ 7 for Sunday).

Then i used below mentioned syntax to get only Monday's in the new column.

If ([Day]='1') then ('Monday') else (' ') ( Here also i got the results)

Now, I want Amount for only Mondays:

For E.g.:
Order amount  Only Mon Only Mon amount
 $100                                  Monday                   $100
$20
$30                                     Monday                    $30
$40
$200

I tried using the below mentioned syntax to get above mentioned results, But not successful:( (Getting weird reults)

case
when ([Day]='1')
then ([Order Amount - C$])
else (null)
end

It would great if anyone can help on this request. Please do let me know if you need any further clarification.

Thanks,
Ganesh
Ganesh VijaykumarAsked:
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lcohanDatabase AnalystCommented:
you need to  give a filter on the query where Only Mon <> ' '
Ganesh VijaykumarAuthor Commented:
Hi,

I am sorry i didn't get you... Could you please help me with the syntax.

Thanks,
Ganesh

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Ganesh VijaykumarAuthor Commented:
Thanks for your help!
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Query Syntax

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