177. Which three statements are correct about temporary tables? (Choose three.)
A.Indexes and views can be created on temporary tables.
B.Both the data and the structure of temporary tables can be exported.
C.Temporary tables are always created in a user's temporary tablespace.
D.The data inserted into a temporary table in a session is available to other sessions.
E.Data manipulation language (DML) locks are never acquired on the data of temporary tables.
Answer: ACE
答案解析:
参考:http://blog.iyunv.com/rlhua/article/details/13015519
在临时表中可以创建索引、视图及触发器,还可以使用“Export and Import(导出和导入)”或“Data Pump(数据泵)”导出和导入临时表的定义。但是,即使使用了ROWS 选项,也不会导出数据。