在表空间space中没有存储任何数据,现在需要删除该表空间,并同时删除其对应的数据文件,可以使用下列哪条语句?______ A: DROP TABLESPACE space; B: DROP TABLESPACE space INCLUDING DATAFILES; C: DROP TABLESPACE space NCLUDING CONTENTS AND DATAFILES; D: DROP TABLESPACE space AND DATAFILES;

下列关于DROP TABLESPACE用法错误的是() A: drop tablesapce tbs1 B: drop tablesapce tbs1 including datafiles C: drop tablesapce tbs1 including contents D: drop tablesapce tbs1 including contents and datafiles

You are using Recovery wizard for performing incomplete recovery. Which of the following object types is NOT available in the Perform Recovery ：Type screen？（） A:  Whole database B:  Tablespaces C:  Datafiles D:  Archive logs E:  Redo logs

You are using Recovery wizard for performing incomplete recovery. Which of the following object types is NOT available in the Perform Recovery ：Type screen？（） A: Whole database B: Tablespaces C: Datafiles D: Archive logs E: Redo log

Which command will restore all datafiles to the date 9/30/2008 at 18:00 hours? （） A: restore datafiles until time '09/28/2008:21:03:11' B: restore database files until time '09/28/2008:18:00:00' C: restore database until time '09/28/2008:18:00:00' D: recover database until time '09/28/2008:18:00:00' E: recover database until timestamp '09/28/2008:18:00:00'

Which command will restore all datafiles to the date 9/30/2008 at 18:00 hours? （） A: Arestore datafiles until time '09/28/2008:21:03:11' B: Brestore database files until time '09/28/2008:18:00:00' C: Crestore database until time '09/28/2008:18:00:00' D: Drecover database until time '09/28/2008:18:00:00' E: Erecover database until timestamp '09/28/2008:18:00:00'