Alcance
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.