SELECT champ_de recherche FROM table WHERE champ_de_recherche=<<libelle_champ|valeur_autorisee>>
Exemple : RECHERCHE GUIDEE PAR TYPE DE DOCUMENT
SELECT biblio.title AS Titre, biblio.author AS Auteur, biblioitems.publicationyear AS Date, items.barcode AS Code_barres, items.itemcallnumber AS Cote FROM items,biblio,biblioitems WHERE items.itype=<<TYPE : |ITYPE>> AND items.biblionumber = biblioitems.biblionumber AND biblio.biblionumber = biblioitems.biblionumber