You use the CALL statement or a function call to execute an external Java stored routine. When the CALL statement or SQL statement specifying a function call executes, a Java method is called as the external Java stored routine and executed at the server's Java virtual machine.

• Java stored procedures
  Use the CALL statement to execute a Java method as a Java stored procedure.
  
• Java stored functions
  Use an SQL statement specifying a function call to execute a Java method as a Java stored function.
  

For details about the CALL statement and function calls, see the HiRDB Version 9 SQL Reference manual.

The following figure shows an example of executing an external Java stored routine.

Figure 9-8 Example of execution of an external Java stored routine