多项选择题
Which statements are true regarding a tablespace（）
A.It can span multiple databases. B.It can consist of multiple data files. C.It can contain blocks of different sizes. D.It can contain segments of different sizes. E.It can contain a part of a nonpartitioned segment
多项选择题 Whichstatementsaretrueregardinglisteners（）
多项选择题 You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode. Which two statements are true in this scenario（）
多项选择题 WhichstatementsaretrueaboutlogicalstructuresoftheOracledatabase（）
