Which is the most commonly used sequential query language (SQL) data statement?
a. Commit.
b. Select.
c. Where.
d. Update.
Answer: B
CDC
- Which UNIX command does the system administrator need to use to create the manual database prior to users being able to access the man -k command?
- The first step in quitting an xterm session is to
- The key to shutting down an xterm window is to know which of your programs is the
- Which UNIX command from the menu bar moves a window to the bottom of the stack of windows?
- What action puts unneeded windows out of the way without quitting the program inside them?
- The act of choosing the window you type is called setting the
- Which UNIX default command starts the X windows system?
- What is the most common UNIX windows system?
- In UNIX, which package of programs lets a terminal handle many sessions at once?
- While using UNIX vi to edit a file, what would you enter to save the buffer contents and stay in same file?
- Which UNIX vi character represents the end of the file?
- Which UNIX vi mode allows users to execute set commands?
- How many primary groups can a user be a member of?
- Which UNIX command sets access and modification times for each file to the current time?
- Which UNIX command changes the ownership of one or more files to a new owner?
- Which UNIX command changes the group ownership of one or more files?
- Which UNIX command looks at an individual file and finds a specified pattern (string)?
- Which UNIX command deletes files from within a directory?
- Which UNIX command takes any characters from standard input and then echoes them to standard output?
- Which UNIX command allows you to move to different directories within a file system using absolute or relative pathnames?
- Which UNIX command displays the current working directory?
- Which UNIX mechanism provides for communication with system device drivers through the file system one character at a time?
- Which UNIX mechanism enables programs to communicate with one another through the file system?
- Hard links are created using which UNIX command?
- What is the basic unit for storing and manipulating a collection of logically related information known as data?