多项选择题
A.No more data files can be added to the tablespace.
B.Segment space is managed by free lists in the tablespace.
C.A user created without being assigned a default tablespace uses this tablespace.
D.The tablespace can be dropped with the current setting with segments present in it.
多项选择题 You execute the following command to change the status of the SALES tablespace： SQL> ALTER TABLESPACE sales OFFLINE； Which statements describe the effect of the command（）
单项选择题 You execute a command to resize a data file， sales.dbf， of size 200 MB in your database： ALTER DATABASE DATAFILE ’/remorse/sales.dbf’ RESIZE 150M； Which statement is true about this command（）
单项选择题 Which statement is true regarding the effect of this command on the transaction in Scott’s session（）
