select * from TEST3 t select object_type, count(object_type) from user_objects group by object_type order by object_type select table_name from dba_tables where lower(table_name) = 'tf_dev' --7-1 确定会话可以访问那些对象. -- 7-1-1 确定模式中各种类型的对象 列出所有对象 select obje…