view bad performance

"Nestor Rojas" <[email protected]>
Newsgroups gmane.comp.db.sapdb.general
Message-ID <[email protected]> 
Hello 
I have a query that contains a table related to viewa,
the performance is bad, 
but if I relate that same table to the table that contains the view
is fast.
It wanted to know if i to have change some parameter or some other solution.
thanks 
Nestor Luis
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