Text that does not contain any characters and is created by typing two sets of double quotes without a space in between is called a ________

A) zero length string B) null length field C) zero length field D) null length string


A

Computer Science & Information Technology

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When a file is opened for Append,

(A) data may be read starting at the beginning of the file. (B) data written to the file replaces the data already there. (C) data written to the file are inserted at the beginning of the file. (D) data written to the file are added at the end of the file.

Computer Science & Information Technology

Using DECODE, write a query that checks the phone number of students. If the area code is 212, remove it. If it is anything else., put a 1- in front of the phone number. Display the student name and the phone number. If they have no phone number, display “No Phone”.

What will be an ideal response?

Computer Science & Information Technology

____________________ inspection blocks packets that are sent from an external computer that does not have a currently active connection to an internal computer.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

The address operator in C is ____.

A. & B. * C. -> D. .

Computer Science & Information Technology