Long query on Forms

Hello
I have a datablock, whose datasource is a view (sourceType = 'table'; sourcename =viewName).
All of the datablock items are database items (no calculations, etc..)
The ORDER BY clause has pre-defined values ("date field" DESC)
The default_where property is built in the form's code.
Problem is: if the number of records retrieved is low (a few hundred), the form works fine; if is big, it takes a long time to execute the block's query.
Now, I tried to Optimizer_HInts = 'FIRST_ROWS', and both query_Array_Size and Records_Buffered = 50.
The time used to retrieve data remains high (for the user seems the form "hangs"), and when the data is shown, it is pretty fast to scroll past the data.
Isn't it true that, if the datablock was retrieving 50 records each time, the scrolling would take a bit longer?
My goal is to make the query to execute faster, even if I get less records each time...
I'm using Oracle Forms 10g on Oracle database 10g
Thanks for any help

Hello,
At first sight, this seems to be a Database modelisation issue. I don't think that Forms would go faster, until you correct the problem in the database. See the whole SQL order generated then check your indexes.
Francois

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create or replace
procedure temp(
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    a.s_datetime DATETIME,
    a.downdate Ending_date,
    a.downtime Ending_time,
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p_mtr_id       in varchar2
, p_from_date    in date
, p_through_date in date
is
l_xml   CLOB;
l_query VARCHAR2(2000);
l_ctx   dbms_xmlgen.ctxHandle;
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Message was edited by:
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Hi,
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Error Code:
Error Executing Database Query.
[Macromedia][SQLServer JDBC Driver][SQLServer]Incorrect syntax near 'LCR'.
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1 : <cfif IsDefined('form.query')>
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3 : #form.goQuery#
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102
SQLSTATE
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SQL
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