Man page lists --usage option but it is not supported
greg@desk1:~$ gda-config-tool-3.0 --usage
-Error: Unknown option --usage
greg@desk1:~$ gda-config-tool-3.0 --help
Usage:
gda-config-tool-3.0 [OPTION...]
Help Options:
-?, --help Show help options
Application Options:
-c, --config-file=filename File to load the configuration from.
-l, --list-providers Lists installed providers
-L, --list-datasources Lists configured datasources
-n, --name=STRING User-assigned name for this connection.
-u, --user=STRING User name to pass to the provider.
-p, --password=STRING Password for the given user to connect to the DB backend.
-P, --provider=STRING Provider name.
-d, --DSN=STRING Semi-colon separated string with name=value options to pass to the GDA provider.