This is a text description of Figure 10-1. The image shows an Oracle application calling two Oracle stored procedures: oraproc1 and oraproc2. In the figure, the Oracle application is calling the two Oracle stored procedures through two separate instances (ORA1 and ORA2) of the Oracle 9i database.  Procedure oraproc1, which is stored in instance ORA1, includes a statement that accesses a table in the ORA2 instance. In this same manner, Oracle stored procedures can be used to access DB2 tables through the gateway.