(SELECT SUM(montant) FROM commandes WHERE client_id = clients.id) AS montant_total (SELECT COUNT(*) FROM commandes WHERE client_id = clients.id) AS nombre_commandes, (SELECT AVG(montant) FROM ...
--ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); ...
Abstract: XML is often used to represent objects that expose different sets of properties. This "property bag" scenario is a prominent use case for the XML support added to Microsoft SQL Server 2005.