Each SQL Server error message is assigned a numerical _________ level that describes the type of error.
Fill in the blank(s) with the appropriate word(s).
severity
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Pointers cannot be used to:
a. Contain memory addresses. b. Reference values directly. c. Pass an argument by reference. d. Manipulate dynamic data structures.
Which of the following statements is true?
a. When you drive a car, pressing its gas pedal sends a message to the car to perform a task—that is, to go faster. b. You send messages to an object; each message is implemented as a method call that tells a method of the object to perform its task. c. A program might call a bank-account object’s deposit method to increase the account’s balance. d. All of the above statements are true.
Among file and disk management tools, a(n) ____________________ tool causes a display's screen to show a moving image or blank screen if no keyboard or mouse activity occurs for a specified time.
Fill in the blank(s) with the appropriate word(s).
Case-Based Critical Thinking QuestionsCase 1: Human Resources ApplicationAn application used by the human resources (HR) department needs to be improved. You need to use various string manipulation properties and methods to ensure all data entered by a user are accurate and stored correctly. The users of the HR application have entered some employee social security numbers (SSNs) with dashes (such as 222-33-4444) and some without dashes (such as 222334444). You need to remove all dashes from any SSN that contains dashes. You will use the ____ method to edit the code so that only numeric characters are stored.
A. Replace B. Remove C. Trim D. Substring