{ SCOPE FOR ( { ref_column | ref_attribute } ) IS [schema .] scope_table_name | REF ( { ref_column | ref_attribute } ) WITH ROWID | [CONSTRAINT constraint_name] FOREIGN KEY ( { ref_column | ref_attribute } ) references_clause }
For information on the symbols and conventions of Backus-Naur Form (BNF) syntax, see Appendix A.