Oracle instant client - basic distribution Instant Client allows you to run your applications without installing the standard Oracle client or having an ORACLE_HOME. OCI, OCCI, ODBC, and JDBC applications work without modification, while using significantly less disk space than before. Even SQL*Plus can be used with Instant Client. No recompile, no hassle. WWW: http://www.oracle.com/technology/tech/oci/instantclient/instantclient.html