I must develop a SSIS Package with Oracle connection. I'm using Windows 8.1 64bit with Visual Studio 2010 and Oracle version 12c(remotely).
I would use "Microsoft OLE DB Provider for Oracle" like picture:

Where I insert my connection parameters:

After "TEST CONNECTION" command I get this error:

[UPDATE]
After installation of ODTA 32bit I can test my connection, but when I try preview result of Data Source component, I get this error:

[UPDATE-SOLUTION]
I've resolved this problem setting this parameter equal true:

Why I get this error? How can I resolve this problem? Thanks