关于linux系统中别名的定义,下列选项中不正确的是()。
第1题:
执行“USEKCC!XSALIAS学生INB”命令后,被打开的表别名是______。
A.XS
B.学生
C.B
D.ALIAS
第2题:
A.错误
B.正确
第3题:
第4题:
在linux系统中,不是用来定制vi编制器用的定制命令是()。
第5题:
Linux中的命令都是英文单词或缩写,十分好记,比如cp是copy的缩写,则rm是rename的缩写。()
第6题:
执行USE KCCJ!XS ALIAS 学生 IN B命令后,被打开的表的别名是()
第7题:
A user utilizing an alias to update a subset of columns in a table must have UPDATE privileges on which of the following DB2 objects?()
第8题:
Which two statements are true regarding the functionality of the remap command in ASMCMD?()
第9题:
MX控件有一个属性表示控件的别名。该属性用于界面设计器中,请问是哪个属性()
第10题:
It repairs blocks that have read disk I/O errors.
It checks whether the alias metadata directory and the file directory are linked correctly.
It repairs blocks by always reading them from the mirror copy and writing them to the original location.
It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.
第11题:
对
错
第12题:
The command drops the file +tdgroupA·231.45678.
The command physically relocates the file to +tdgroupA/data and renames the file to datafile.dbf.
The command creates a copy of the +tdgroupA·231.45678 file and places it in +tdgroupA/data after renaming the file to datafile.dbf.
The command creates an alias, datafile.dbf, and places it in +tdgroupA/data and does not remove the +tdgroupA·231.45678 file.
The command creates a file, datafile.dbf, in +tdgroupA/data and removes the references for +tdgroupA·231.45678 from the data dictionary views.
第13题:
在Linux操作系统中复制文件或目录时使用的命令是( )。
A.copy B.rm C.mv D.cp
第14题:
第15题:
第16题:
linux给一个文件定义多个名称的命令是()。
第17题:
下面哪个命令是用来定义shell的全局变量()
第18题:
下列命令中,仅拷贝表文件结构的命令是()
第19题:
Which of the following most closely represents an image copy? ()
第20题:
Consider the following scenario: You have a directory, data, under the disk group tdgroupA. You want to create an alias for one of the data files and you execute the following command: ALTER DISKGROUP tdgroupA ADD ALIAS ’+tdgroupA/data/datafile.dbf’ FOR ’+tdgroupA.231.45678’; Which task would be accomplished by the command?()
第21题:
Unix cp command of a file
Bit-by-bit copy of a file
Windows COPY command of a file
All of the above
第22题:
XS
学生
B
ALIAS
第23题:
alias copy=cp
alias copy='cp'
alias copy=`cp`
alias copy=cp