List of Figures

2-1 Oracle Heterogeneous Connectivity Process Architecture

2-2 Accessing Multiple Non-Oracle Instances

2-3 Gateway Process Flow

3-1 Flow Diagram for Nonquery Passthrough SQL

3-2 Passthrough SQL for Queries

4-1 Optimizing Data Transfers

5-1 Multithreaded Agent Architecture

7-1 Oracle and Non-Oracle Systems on a Separate Machines

7-2 Oracle and Non-Oracle Systems on the Same Machine