Thread: New to Workbench


Permlink Replies: 3 - Pages: 1 - Last Post: Sep 15, 2008 11:16 PM Last Post By: laoweiming
cav0227

Posts: 290
Registered: 07/25/05
New to Workbench
Posted: Apr 18, 2007 6:35 AM
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Hello,

I need to migrate a very large Access table into Oracle and my DBA suggested that I use Workbench, so I went to the website and the only download I see is for SQL Developer. I have dowloaded SQL Developer and am trying to establish a connection to my access database but no matter what Access database I try to connect to, I keep getting the following error: No read access to system table. Modify Access db before retrying. I don't understand why I'm having this problem. I can connect to all of my Access databases just fine when using TOAD or SQL Server DTS Import/Export.

I guess I have two questions: 1 - Do I have to install something additional in order to use Workbench? ...and 2 - What could be causing the problem when trying to connect to my Access database?

Any help would be greatly appreciated.....

Thanks,
-Christine
donal.daly@orac...

Posts: 691
Registered: 01/10/01
Re: New to Workbench
Posted: Apr 18, 2007 7:16 AM   in response to: cav0227 in response to: cav0227
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Hi Christine,

In addition to SQL Developer 1.1.2, you need the migration extensions, which are available via check for updates.

The issue with your connection, is explained in the online help available in the new connection dialog. Here are the details:

Access tab

For a connection to a Microsoft Access database, click Browse and find the database (.mdb) file. However, to be able to use the connection, you must first ensure that the system tables in the database file are readable by SQL Developer, as follows:

1. Open the database (.mdb) file in Microsoft Access.
2. Click Tools, then Options, and on the View tab ensure that System Objects are shown.
3. Click Tools, then Security, and, if necessary, modify the user and group permissions as follows: select all tables whose names start with Msys, and give the Admin user at least Read Design and Read Data permission on these tables.
4. Save changes and close the Access database file.
5. Create and test the connection in SQL Developer.

Donal
cav0227

Posts: 290
Registered: 07/25/05
Re: New to Workbench
Posted: Apr 18, 2007 10:41 AM   in response to: donal.daly@orac... in response to: donal.daly@orac...
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It worked! Thank you so much.
laoweiming

Posts: 11
Registered: 09/15/08
Re: New to Workbench
Posted: Sep 15, 2008 11:16 PM   in response to: donal.daly@orac... in response to: donal.daly@orac...
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thank you!
it's too usefull!!
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