SESAM/SQL-DCN is a chargeable add-on product for the SESAM/SQL-Server database system.
In distributed processing with SESAM/SQL-DCN, an application program can work with more than one SESAM/SQL DBH during a single session. The interaction between the application program and the various DBHs can take place within the same configuration, across configurations on the same machine, or across different machines.
The central component of the product SESAM/SQL-DCN is the distribution component SESDCN. This component must be started in all configurations involved in distributed processing.
The principles of distributed processing are described in the “ Core manual”.
This chapter describes how to start, parametrize and terminate SESDCN. It covers the following:
Starting the SESDCN distribution component
SESDCN control statements
Terminating SESDCN
SESDCN restart
Maximum values for working with SESAM/SQL-DCN
The dynamic administration of SESDCN is described in chapter “DBH and SESDCN administration”.
If the add-on product SESAM/SQL-DCN is not available, all SESDCN-specific commands and statements are rejected.