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Formula Column and Placeholder column [message #121052] Wed, 25 May 2005 09:56 Go to next message
vgs2005
Messages: 123
Registered: April 2005
Senior Member
Can anybody tell me -- What is the difference between formula column and placeholder column in Oracle Forms?

Thanks.


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Re: Formula Column and Placeholder column [message #121054 is a reply to message #121052] Wed, 25 May 2005 10:05 Go to previous message
Gurusubramanyam
Messages: 79
Registered: July 2001
Member
Hi,

Please find the following text from Report Builder Help.

-G.S

Formula column

A formula column performs a user-defined computation on another column(s) data, including placeholder columns.Formula colums should not be used to set the values for parameters.

Placeholder

A placeholder is a column for which you set the datatype and value in PL/SQL that you define.

You can set the value of a placeholder column in the following places:

01.The Before Report Trigger, if the placeholder is a report-level column

02.A report-level formula column, if the placeholder is a report-level column

03.A formula in the placeholder's group or a group below it (the value is set once for each record of the group)

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