SET NATIONAL CHARACTER SET --> runtime-options ----> ;

 SET NATIONAL CHARACTER SET specifies the national character set
 for the module or interactive SQL session.

 You can use the SET NATIONAL CHARACTER SET statement with
 interactive and dynamic SQL only.

Additional information available:

runtime options

 runtime-options

 --+---> 'literal' --------------+-->
   +---> parameter --------------+
   +---> parameter-marker -------+

 Runtime-options specifies the national character set for your
 session.  The value of runtime-options must be a valid character
 set.