View this parameter setting in your database：   DB_CREATE_FILE_DEST=’D:// /oracle/product/10.2.0/oradata/oracle’  You created a tablespace by using this command：   CREATE TABLESPACE USERS；  Which two statements are true about the USERS tablespace？（）

AThe tablespace has two data files.

BAn error is reported and tablespace creation fails.

CData files are created with names generated by the instance.

DThe tablespace can be extended without specifying the data file.

EData files belonging to the USERS tablespace cannot be renamed.