SQL Developer cannot execute multiple queries in one connection

Hi,
Using : SQL Developer 1.2.29.98, Oracle Database 9i on Windows XP.
Currently I have TOAD and PL/SQL Developer to handle things related to Oracle Database.
I found this SQL Developer tools as an interesting tool which might replace PL/SQL Developer (I assume).
I opened two SQL Worksheets and tried to execute 2 queries (time consuming one) simultanously, suddenly it freezes (the window become grayed). Just like TOAD, we cannot smoothly execute multiple queries on single connection on SQL Developer
I can monitor the query process using TOAD (Session Browser) and found both queries are running while SQL Developer window become grayed and seems not functioning. After the queries have been finished, I mean both of them, the SQL Developer window become normal and "alive" again showing the expected results.
Well, however PL/SQL Developer could handle this. Executing multiple queries in single application is just its unbeatable features.
We can view the query result once its finished instead of until the others being processed, by just only switch the SQL Windows.
Is it true that SQL Developer doesn't support executing multiple queries?
Or is it a feature which we should request?
Or we have to activate this feature by doing some changes on configuration / preferences?
(Do we need to open two SQL Developer instances? what a memory consuming solution).
Regards,
Buntoro

SQLDeveloper connections are single threaded and also rather single minded (in that you can't do much else while a long query is running.)
There is an existing feature request http://apex.oracle.com/pls/otn/f?p=42626:39:3685254426061901::NO::P39_ID:4202 for which you can vote.
The workaround is to have multiple connections. Not brilliant but it works.

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ID Table
Date Script
1 TableA
NULL INSERT INTO [dbo].[TableA] SELECT * FROM OPENROWSET ('Microsoft.ACE.OLEDB.12.0'…
2 TableB
NULL INSERT INTO [dbo].[TableB] SELECT * FROM OPENROWSET ('Microsoft.ACE.OLEDB.12.0'…
3 TableC
NULL INSERT INTO [dbo].[TableC] SELECT * FROM OPENROWSET ('Microsoft.ACE.OLEDB.12.0'…
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NULL INSERT INTO [dbo].[TableD] SELECT * FROM OPENROWSET ('Microsoft.ACE.OLEDB.12.0'…
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6 TableE
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5/30/2013 INSERT INTO [dbo].[TableE] SELECT * FROM OPENROWSET ('Microsoft.ACE.OLEDB.12.0'…
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6/3/2013 INSERT INTO [dbo].[TableE] SELECT * FROM OPENROWSET ('Microsoft.ACE.OLEDB.12.0'…
10 TableE
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13 TableF
NULL INSERT INTO [dbo].[TableF] SELECT * FROM OPENROWSET ('Microsoft.ACE.OLEDB.12.0'…
14 TableF
NULL INSERT INTO [dbo].[TableF] SELECT * FROM OPENROWSET ('Microsoft.ACE.OLEDB.12.0'…
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Cheers

I guess this query can't execute because my statement selects more than one script. Now I have data going back to two years and I don't want to write close to 700 statements. Is there a way around it?
what do you mean by "my statement select more that one script" ?
why do you want to exec all select statement separately ?
you can combine select statement with UNION ALL,
and do you want to specify the date range dynamically , first you specified may and two year is there related to data
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INSERT INTO [dbo].[TableE] SELECT * FROM OPENROWSET ('Microsoft.ACE.OLEDB.12.0'… Script for 5/31/2013
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Thank you in advance,
Cheers

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