sp_configure displays or changes ECDA Option for Oracle configuration properties.
DCSERVER...sp_configure DCO_S1, connect_string, "ORA817.world"
If no parameters are supplied, sp_configure lists all the services defined:
exec DCSERVER...sp_configure
sp_configure, with the service_name without a value, lists all of the configuration options for that service.
exec DCSERVER...sp_configure, DCSERVER0
sp_configure with the service_name (DCSRERVER0), and the option displays the current value of the option:
exec DCSERVER...sp_configure, DCSERVER0, max_users
If a value is supplied, such as 100 in the following example, sp_configure changes the option:
exec DCSERVER...sp_configure, DCSERVER0, max_users, 100
If the config_name parameter is specified, but the config_value parameter is omitted, sp_configure displays the report for the configuration parameter specified.