title: Is oracle client necessary for making odbc connection
body: <p>Is oracle 11g client necessary to be installed if I need oracle11gr odbc drivers to establish a connection for my some application deployment?</p>
  
  <p>Application is written in <code>Java</code> and it needs to be connected via DSN with an Oracle database on some other server.</p>
  
  <p>I'm confused in this fundamental concept!</p>