保存されているトリプルを全消去

delete_all_sparql.sql

declare
    l_clob clob;
    -- 全消去
    l_sparql varchar2(4000) :=
q'~
delete { ?s ?p ?o }
where { ?s ?p ?o }
~';
begin
    apex_debug.info(l_sparql);
    rdf_update_model(
        p_sparql => l_sparql
        , p_origin => :G_ORIGIN
        , p_datasource => :G_DATASOURCE
        , p_datasetdef => :G_DATASETDEF
        , p_csrf_token => :G_CSRF_TOKEN
        , p_username => :G_USERNAME
        , p_password => :G_PASSWORD
        , p_response => l_clob
    );
    apex_debug.info(l_clob);
end;