Problem when accessing through SQL Developer...

Folks,
Need a assistance here, Today I faced strange problem from one of my application users...
He is trying to list the tables of another schema from SQL Devleopor But it took lonnnng time to expand the table lists. Below is the acutaal scenario.
In SQL Developer he is loging to the database using xxx user and able to connect as qucik as usual, once he connected to the database he needs to list out the tables in yyy user, But when clicking tables under yyy user it took hell lot of time to expand it. But as a DBA I could access everything as quick as usual.
1) He logged in to the DB using xxx -- Able to connect quickly
2) He is expanding other users and selecting the user yyy
3) From there he is trying expand Tables section -- > This is taking very long time some time hungs.... But through DBA account everything can be accessible easily and quickly.
Looks a very strange scenario and I dont even know how to analyse it, I appreciate your valuable solution

You'll probably get better assistance in the dedicated forum {forum:id=260}.

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Thanks,
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thx - will have a look
Edited by: kgronau on May 22, 2012 4:32 PM
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%PDF-1.4
%ª«¬
4 0 obj
<<
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/CreationDate (D:20120521131845+02'00')
>>
endobj
5 0 obj
<<
/N 3
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>>
stream
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/Creator (Apache FOP Version 1.0)
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/CreationDate (D:20120521131845+02'00')
>>
endobj
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<<
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>>
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