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Tag Archives: force
11gr2增强CREATE OR REPLACE TYPE功能
11.2对于CREATE OR REPLACE TYPE语句进行了增加,增加了FORCE选项。 在11.2之前,只要有其他的表或TYPE依赖了当前对象,这个对象就无法进行REPLACE了: SQL> CREATE TYPE t_num_tab IS TABLE OF NUMBER; 2 / TYPE created. SQL> CREATE TYPE t_record IS object (id NUMBER, n_tab t_num_tab); 2 / TYPE created. SQL> CREATE OR REPLACE TYPE t_num_tab IS TABLE OF … Continue reading