Answer / ashok

Through NVL function.

select * from FND_User a
where user_name = nvl(:User_Name, a.user_name)

Answer / ahmed mazen

select * from fnd_user a
where (a.user_name = :user_name or :user_name is null)

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in one report using two layout models.if yes how to do

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WHAT IS REFCURSOR IN ORACLE ?

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where we can check the status of po.

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what is the difference between multiorg views and multiorg tables

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Explain the multi-organization structure.

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what are the error tables in AP?

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