vues

banque/banque.4.sql

@@ -0,0 +1,9 @@
+select h.id, h.type, case h.type
+	when 'PERSON' then p.firstname || ' ' || p.lastname 
+	when 'COMPANY' then c.name
+	when 'BANK' then b.name
+end
+from holder h
+ left join person p on p.id = h.id 
+ left join company c on c.id = h.id 
+ left join bank b on b.id = h.id