标准摘要
[中文适用范围]： 本文件描述了 SQL 语言中多态表函数的定义和使用。报告讨论了以下特性：——在 SQL 上下文中对多态表函数的处理模型。——创建和维护多态表函数的方法。——实现多态表函数的方法问题。——应用程序程序如何调用多态表函数。——与多态表函数编译、优化和执行相关的问题 [外文原描述]： 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.
英文名称Information technology - Guidance for the use of database language SQL - Part 7: Polymorphic table functions