Case-Based Critical Thinking QuestionsCase 2 
In his database of thousands of records, Suresh wants to standardize the format of certain fields. However, he does not want to store the formatting characters (e.g., parentheses, dashes, and slash characters).  He decides to consult Sheila because she has extensive experience with input masks.

Suresh wants to make letter entries optional in a license plate number field, as not all license plates have letters. What is the input mask character Sheila tells him to use?

A. L
B. ?
C. P
D. !

Answer: B

Computer Science & Information Technology

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In an entity relationship diagram, ________ entities are drawn in a normal rectangle

Fill in the blank(s) with correct word

Computer Science & Information Technology

Which of the following statements is true?

a. The Internet is just a network of computers. b. The internet is now an Internet of Things. c. Each thing in the Internet of things is an object with an IP address. d. Each thing in the Internet of Things must have the ability to send data automatically over a network.

Computer Science & Information Technology