(1) A type of relational database schema that is composed of a set of tables comprising a single, central fact table surrounded by dimension tables. See also dimension table, star join.
(2) A type of relational database schema that is made up of a fact table and a set of dimension tables. In Tivoli Enterprise Data Warehouse, the fact table holds the values of the component's metrics, and the dimension tables hold the values of the attributes of a component or a metric.