A. All the objects of scott are moved to the Recycle Bin.
B. Any objects in the Recycle Bin belonging to scott are purged.
C. All the objects owned by scott are permanently dropped from the database.
D. All the objects of scott in the Recycle Bin must be purged before executing the DROP command.
E. Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.
第1题:
A盘为启动盘,其目录结构为: 根目录下有COMMAND.COM文件 和DOS 子目录,该子目录下又有 AUTOEXEC.BAT和 USER。其中AUTOEXEC.BAT的内容为:MD /XYZ CD/DOS/USER 则由A盘启动成功后,A盘的当前目录为()。
AA:/DOS/USER>
BA:/XYZ
CA:/>
DA:/DOS
第2题:
下列哪组SQL命令全部属于数据定义语句的命令?()
A.CREATE,DROP,ALTER
B.CREATE,DROP,SELECT
C.CREATE,DROP,GRANT
D.CREATE,DROP,UPDATE
第3题:
4、在JSP中要使用user包中的User类,则以下写法正确的是()。
A.<jsp:useBeam id=”user” class=”user” import=”user.*”/>
B.<jsp:useBean id=”user” class=”user.User” scope=”page”/>
C.<jsp:useBean class=”user.Use.class”/>
D.<jsp:useBean name=”user” class=”user.User”/>
第4题:
下列四组SQL命令,全部属于数据定义语句的命令是()
A.CREATE,DROP,UPDATE
B.CREATE,DROP,ALTER
C.CREATE,DROP,GRANT
D.CREATE,DROP,SELECT
第5题:
J2EE中在JSP中要使用user包中的User类,则以写法正确的是()。
A.<jsp:useBeam id="user" class="user" import="user.*"/>
B.<jsp:useBean id="user" class="user.User" scope="page"/>
C.<jsp:useBean class="user.Use.class"/>
D.<jsp:useBean name="user" class="user.User"/>
第6题:
下列四组SQL命令,全部属于数据定义语句的命令是()。
A.CREATE,DROP,ALTER
B.CREATE,DROP,UPDATE
C.CREATE,DROP,GRANT
D.CREATE,DROP,SELECT