This document describes the definition and use of polymorphic table functions in SQL. The Report discusses the following features of the SQL Language:
- The processing model of polymorphic table functions in the context of SQL.
- The creation and maintenance of polymorphic table functions.
- Issues related to methods of implementing polymorphic table functions.
- How polymorphic table functions are invoked by application programs.
- Issues concerning compilation, optimization, and execution of polymorphic table functions.