信息技术 数据库语言 SQL 第 13 部分：使用 Java TM 编程语言 (SQL/JRT) 的 SQL 例程和类型

ISO/IEC 9075-13:2016 specifies the ability to invoke static methods written in the Java? programming language as SQL-invoked routines and to use classes defined in the Java programming language as SQL structured user-defined types. (Java is a registered trademark of Oracle Corporation and/or its affiliates.)