This chapter provides instructions for storing mapping information in a metadata source that is external to the running application, so you can dynamically override or extend mappings in a deployed application.
This chapter contains the following sections:
Users want to establish a SaaS environment, where applications are shared by multiple clients.
Employ EclipseLink SaaS features, such as extensibility, multi-tenancy, and external metadata sources.
EclipseLink 2.4 or later.