FYI, a posting with slides from a presentation on MongoDB (I didn't go) http://www.nyphp.org/PHP-Presentations/145_Recovering-Mongos-MongoDB-PHP From mongodb.org: "MongoDB (from "humongous") is a scalable, high-performance, open source, schema-free, document-oriented database. Written in C++, MongoDB features: ..." "MongoDB bridges the gap between key-value stores (which are fast and highly scalable) and traditional RDBMS systems (which provide structured schemas and powerful queries)." -- Yitzchak Schaffer Systems Manager Touro College Libraries 33 West 23rd Street New York, NY 10010 Tel (212) 463-0400 x5230 Fax (212) 627-3197 Email [log in to unmask]