create type multimedia_t (		create type bibliography_t (
    type    text, 			    author text, title text,
    id      text, 			    source text, year date,
    naming  text,			    page text) 
    file    LO, 			create table article (
    objects setof(multimedia_t))	    title  text not null, 
create type bodies_t (			    author setof(text),
    figure  setof(LO),			    afil   text,
    para    setof(doc), 		    abst   doc,
    film    setof(multimedia_t), 	    keyword text,
    audio   setof(multimedia_t)) 	    section setof(sections_t),
create type sections_t (		    ack    text,
    title  text not null,		    bib    setof(bibliograph_t),
    body   bodies_t) 			    appendix setof(appendices_t))
    subsect setof(sections_t)) 
create type appendices_t (
    title text,
     appendix doc)

   

 Note that LO means large object type possibly being used for multimedia data_