Inserts graph into a given group.
The return value is not specified and may be changed in future versions.
SQL>DB.DBA.RDF_GRAPH_GROUP_CREATE ('TestGroup',1);
Done. -- 50 msec.
SQL>DB.DBA.RDF_GRAPH_GROUP_INS ('TestGroup','http://myopenlink.net');
Done. -- 50 msec.
SQL>DB.DBA.RDF_GRAPH_GROUP_INS ('TestGroup','http://demo.openlinksw.com');
Done. -- 50 msec.
