Hie, I've just created Bug 9681 to propose to add some indexes in database. Those indexes are very important to speed up SQL queries, sometimes 100x faster. I think it can help form some queries in code but mainly for statistical reports. Feel free to discuss. Best regards, -- Fridolyn SOMERS Biblibre - Pôle Support fridolyn.somers@biblibre.com <mailto:fridolyn.somers@biblibre.com>