Enabling optimized message transfers

To enable optimized message transfers, or message chaining, you must set the following variables in the client environment:

  1. Set the OPTMSG environment variable at run time to enable optimized message transfers for all qualifying SQL statements.
  2. Set the OptMsg global variable within the IBM® Informix® ESQL/C application to control which SQL statements use message chaining.
Parent topic: Optimized message transfers
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