Schema2UML transforms relational database schemas into EMF-UML2 models. Tables are mapped to classes with appropriate class and attribute name conversions. Foreign keys are mapped to associations with appropriate role name conversions, cardinalities and types. If there is a cascade delete rule the association type will be composite. Using an uml profile there are collected more data like table and column names, primary keys, database types, jdbc types, precision, scale ...

Composite foreign keys are not supported yet. But will follow ...

Check out the eclipse project from the source code repository. Simply install EMF and UML2 over your eclipse release update site. Rename schema2uml.properties.default to schema2uml.properties and configure it. There is a default uml2 profile included. Configure the mappings.xml and rules.xml files and run Schema2UML.