GSM-45427
-gdspool the GDS pool. (If not specified and there is only one gdspool with access granted to user, it will be used by default)
-service the global service name.
-preferred_all specify all databases in the GDS pool are preferred.
-preferred a comma-delimited list of preferred databases.
-available a comma-delimited list of available databases.
-service the global service name.
-preferred_all specify all databases in the GDS pool are preferred.
-preferred a comma-delimited list of preferred databases.
-available a comma-delimited list of available databases.
Cause
GDSCTL help message.