Description of the illustration create_hierarchy.eps
CREATE [ OR REPLACE ] [ FORCE | NOFORCE ] HIERARCHY [ schema. ] hierarchy [ sharing_clause ] [ classification_clause ]... ] hier_using_clause level_hier_clause [ hier_attrs_clause ] ;
CREATE [ OR REPLACE ] [ FORCE | NOFORCE ] HIERARCHY [ schema. ] hierarchy [ sharing_clause ] [ classification_clause ]... ] hier_using_clause level_hier_clause [ hier_attrs_clause ] ;