Views A view is a relation defined in terms of stored tables (called base tables and other views. ▣Two kinds: 1.Virtual not stored in the database; just a query for constructing the relation. 2.Materialized actually constructed and stored. 22 Views † A view is a relation defined in terms of stored tables (called base tables ) and other views. † Two kinds: 1. Virtual = not stored in the database; just a query for constructing the relation. 2. Materialized = actually constructed and stored