About TopLink Descriptors

TopLink mappings use descriptors to store the information that describes how an instance of a particular class can be represented in a relational database.

For complete information on the Oracle Application Server TopLink API, refer to the API guide and the OracleAS TopLink Application Developer's Guide.

Note: In this document, descriptors refers to TopLink descriptors; deployment descriptors refers to TopLink and EJB deployment descriptors. See "Generating TopLink Deployment Descriptors" for information on deployment descriptors.

This section includes information on:

Working with Descriptors
Working with Primary Keys
Working with Sequencing
Working with Inheritance
Working with Interfaces
Working with Multiple Tables
Working with a Copy Policy
Working with Instantiation Policy
Working with a Wrapper Policy
Working with Optimistic Locking
Working with Identity Maps
Working with Query Keys
Working with Events
Working with Finders
Working with Object-relational Descriptors