【单选题】下列关于"木马"病毒的叙述中,错误的是___
B.
“木马”运行时,比较隐蔽,一般不会在任务栏上显示出来
C.
“木马”运行时,会占用系统的CPU、内存等资源
D.
木马"运行时,可以截获键盘输入,从而盗取用户的口令、帐号等私密信息
【单选题】下列关于"木马"病毒的叙述中,错误的是___
B.
“木马”运行时,比较隐蔽,一般不会在任务栏上显示出来
C.
“木马”运行时,会占用系统的CPU、内存等资源
D.
木马"运行时,可以截获键盘输入,从而盗取用户的口令、帐号等私密信息
【单选题】{一}下列关于"木马"病毒的叙述中,错误的是()。
A.
不用来收发电子邮件的电脑,不会感染"木马"病毒
B.
"木马"运行时比较隐蔽,一般不会在任务栏上显示出来
C.
"木马"运行时会占用系统的CPU和内存等资源
D.
"木马"运行时可以截获键盘输入的口令、帐号等机密信息
【简答题】SQL是[填空(1)]的缩写。A. 结构化查询语言(Structure Query Language)
【多选题】Examine the following command that is used to duplicate a database on the same host: Which two statements describe the effect after the database is duplicated successfully? ()
A.
The data files of the read-only tablespaces in the target database are not duplicated
B.
The read-only tablespaces in the target database are still defined in new the database
C.
The read-only tablespaces in the target database are changed to online after duplication
D.
The data files of the read-only tablespaces in the target database get duplicated
E.
The read-only tablespaces in the target database are not defined in the new database
【多选题】下列关于SQL语句的说法,正确的一项是________。( )
A.
SQL是Structured Query Language的缩写,中文译为“结构化查询语言”
C.
SQL除了可用于查询信息外,还可用于定义数据、操作数据、控制数据等功能
【单选题】Which one is the database only collecting medical resource?
【单选题】SQL 是 的缩写形式。
A.
. Selected Query Language
B.
. procedured query language
C.
. Standard Query Language
D.
. Structured Query Language
【单选题】The database is only ______ by authorized managers.