Can I connect to SAP database directly with ODBC?

I need to read data from SAP and write them into ms sqlserver. I wrote a RFC in SAP and used VB.NET to call RFC. I wonder that the RFC efficency is very slow while reading a great lot data. RFC also cannot support complex condition string, and it cannot fetch my data flexibly.
I found that the user who was included in a user group "db<sid>adm" could connect to db2 udb with ODBC in VB6.0 or VB.NET. I also can use the SQL sentence to get data flexibly.
Please tell me whether I can use this user to read (just using select sentense) data from DB2 UDB directly, or whether I can use the newly created user to get data. Will this method cause any problem ?

> Will this method cause any problem ?
Pretty likely: yes, it will.
You may want to read this thread Retrive Data From SAP Using C Language first (and the blogs I refered to in it).
What it boils down to is: you're trying a super-low-level access to data in order to perform a high-level business data exchange.
You could as well hex-read the data files of the database or the blocks from your hard disks.
There are a bunch of options to remote access data in SAP systems and maybe your RFC can be tuned to better support your needs.
But don't move over to the 'dark side' of direct database access
regards,
Lars

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Copyright (c) 1982, 2005, Oracle. All rights reserved.
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# Generated by Oracle configuration tools.
CHUCKY =
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(ADDRESS = (PROTOCOL = IPC)(Key = EXTPROC))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = CHUCKY)
(INSTANCE_NAME = CHUCKY)
(GLOBAL_NAME = CHUCKY)
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lsnrctl services listener
LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 29-MAR-2006 13:54:41
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.0.1)(PORT=1521)))
Services Summary...
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LOCAL SERVER
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
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LOCAL SERVER
The command completed successfully
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Ok I have changed environment rules
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Copyright (c) 1982, 2005, Oracle. All rights reserved.
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Copyright (c) 1982, 2005, Oracle. All rights reserved.
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I am not sure but I think scott user is maybe locked by default.
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