Creating a view with union clause

In Informix you cannot create a view that includes a union clause. Do you know how to solve this problem or how to emulate a view that uses union clauses in informix? ====================== Mario Garc'a Franco Cap de Projecte Centrisa - Val'ncia e-mail: mgarcia@vlc.centrisa.es tfn: 96 346 32 50 fax: 96 346 32 33 ======================