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    <p>You need an Oracle Client to connect to an Oracle database. The easiest way is to install the <a href="http://www.oracle.com/technology/software/tech/windows/odpnet/index.html" rel="noreferrer">Oracle Data Access Components</a>.</p> <p>To minimize the footprint, I suggest the following :</p> <ul> <li>Use the Microsoft provider for Oracle (System.Data.OracleClient), which ships with the framework.</li> <li>Download the <a href="http://www.oracle.com/technology/software/tech/oci/instantclient/htdocs/winsoft.html" rel="noreferrer">Oracle Instant Client Package</a> - Basic Lite : this is a zip file with (almost) the bare minimum. I recommend version 10.2.0.4, which is much smaller than version 11.1.0.6.0.</li> <li>Unzip the following files in a specific folder : <ul> <li>v10 : <ul> <li>oci.dll</li> <li>orannzsbb10.dll</li> <li>oraociicus10.dll</li> </ul></li> <li>v11 : <ul> <li>oci.dll</li> <li>orannzsbb11.dll</li> <li>oraociei11.dll</li> </ul></li> </ul></li> <li>On a x86 platform, add the CRT DLL for Visual Studio 2003 (msvcr71.dll) to this folder, as Oracle guys forgot to <a href="http://support.microsoft.com/kb/326922" rel="noreferrer">read this</a>...</li> <li>Add this folder to the PATH environment variable.</li> <li>Use the <a href="http://download.oracle.com/docs/cd/B19306_01/network.102/b14212/naming.htm#ABC524382SRI12" rel="noreferrer">Easy Connect Naming</a> method in your application to get rid of the infamous TNSNAMES.ORA configuration file. It looks like this : <code>sales-server:1521/sales.us.acme.com</code>.</li> </ul> <p>This amounts to about <strong>19Mb</strong> (v10).</p> <p>If you do not care about sharing this folder between several applications, an alternative would be to ship the above mentioned DLLs along with your application binaries, and skip the PATH setting step.</p> <p>If you absolutely need to use the Oracle provider (Oracle.DataAccess), you will need :</p> <ul> <li>ODP .NET 11.1.0.6.20 (the first version which allegedly works with Instant Client).</li> <li>Instant Client 11.1.0.6.0, obviously.</li> </ul> <p>Note that I haven't tested this latest configuration...</p>
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    1. POWhat is the minimum client footprint required to connect C# to an Oracle database?
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    1. COusing Visual Studio 2005, I have had success without performing steps 4 or 5
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    2. COIs it ok to just include the dlls with your app in terms of licensing?
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    3. COInstant Client is licensed under the OTN Development and Distribution License (cf. http://www.oracle.com/technology/software/htdocs/client_lic.html). Which means you can freely redistribute it with your application (cf. http://www.oracle.com/technology/tech/oci/instantclient/ic-faq.html#A4379).
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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