Among the many SQL and PL/SQL improvements are multilanguage server-side debugging and support for inheritance and multilevel collections, which make it possible to build complex models inside the database.
Among the many SQL and PL/SQL improvements are multilanguage server-side debugging and support for inheritance and multilevel collections, which make it possible to build complex models inside the database.
SQL的改进包括多语言服务端调试、支持继承和多级聚集，这也使得在数据库中构造复杂的模型成为可能。