Ingres 10 is the latest version of the Ingres Database, an enterprise open source database. The release contains a number of major enhancements that will minimize application development time when migrating applications from other databases to Ingres. New features include support for multi-version concurrency control (MVCC), high-performing batched statement execution, full scalar subquery support, support for identifiers up to 256 characters long, and column-level data encryption. The release supports an automated, seamless migration from earlier versions of Ingres.