Connect to Oracle Database Using C# Without Installing Oracle on the Computer

Hello friends,

I would like to connect to an Oracle database sitting on a server, and I really do not want to install Oracle XE in my computer, since I don't need the Oracle DB in my computer anyway.  I just need to connect from my C# code.  I downloaded this from Oracle and put it in my C: drive:

I'm not sure what to do next after this.  I'm pretty slick with using SQL Server with C#, but I haven't done this for an Oracle database before.

Thanks in advance for your assistance.

Who is Participating?
Praveen Kumar ChandrashekatrConnect With a Mentor Database Analysist Senior Commented:
it will only install the required .dll files in your computer like oracle.dataaccess which will be used for oracle connection.


you can copy these .dll files and point it to your application but i'm not sure how efficient it is.

You can also go thouruugh this oracle doc on configuring
oleggoldConnect With a Mentor Commented:
You'll need one of the following,either Oracle thin client from or built in msdora driver from microsoft
depending on Your vs installation You may already have the later and some sort of
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piratepatrolAuthor Commented:
Hi oleggold,

How do I find out if I already have the prerequisites?


Rahul_GadeConnect With a Mentor Commented:
Oracle Instant client should solve your problem, you don't need any installation, you can just extract these libraries. See the article for more details :
Praveen Kumar ChandrashekatrDatabase Analysist Senior Commented:
download the proper version of oracle ODBC client or ODP.Net package from the oracle site mention in your post and then follow steps mention in the below site.
piratepatrolAuthor Commented:
Hey guys,

I downloaded the "Client Package - Basic Lite" from

How do I get my Visual Studio to know how to access the DLLs in this client package?  I see code samples online that says I need to do this...

using System.Data.OracleClient;

or this...

using Oracle.DataAccess.Client;

but my Visual Studio doesn't even know what OracleClient or Oracle is?  

Thanks in advance for your help.
piratepatrolAuthor Commented:
Help.  :)
piratepatrolAuthor Commented:
Hi praveencpk,

It seems that the above requires that I install ODC.NET on my computer.  I was really hoping not to have to install anything.  :(  Isn't there an approach where I just refer Visual Studio to a folder with all the Oracle DLLs instead of actually installing ODC.NET?

Thanks again.

piratepatrolAuthor Commented:
Thank you, guys.
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