Your Oracle Database 10g is online when you execute the following statement: SQL>ALTER TABLESPACE MY_TABLESPACE FLASHBACK OFF; What is the result of executing this statement if the Flashback Database feature is already enabled in the database?()
A、 The database does not record flashback logs for MY_TABLESPACE
B、 The tables residing in MY_TABLESPACE are not protected by the Recycle Bin.
C、 All the tablespaces except MY_TABLESPACE can be recovered using Flashback Database feature.
D、 None of the flashback technologies, such as Flashback Table, Flashback Transaction Query and Flashback Version Query can be used to recover individual rows within the objects from MY_TABLESPACE
下列表达式的值为日期类型的是()。
ADATE()+1
B“08/03/02”
C{∧2002/08/03}
D08/03/02
在Word中打开一个"文档1.DOC",然后选择"文件"→"新建"命令,则()。
A、文档1.DOC被关闭,生成新建文档
B、已有文档1.DOC,不能生成新建的文档
C、两个文档都会被同时关闭
D、文档1.DOC和新建的文档都处于打开状态
在Windows系统的资源管理器中,如果某文件夹图标前有“+”表示该文件夹()。
A、含有文件
B、含有子文件
C、是桌面上的应用程序
D、不含有子文件夹
逻辑型数据的标识为()。
A、N
B、D
C、L
D、C
What are two reasons why a device will fail to register to a community? ()(Choose two.)
AThe community name is not configured.
BThe registration server password is incorrect.
CThe registration server IP address is incorrect.
DThe backup registration server IP address is missing.