Explain the term Null. What would be the result of the IsNull function?
What will be an ideal response?
Null is not zero. Null is used to indicate that a value is unknown, and it is treated differently than other values because it has no value. Instances exist when querying records that contain fields with null values are necessary. The result of the IsNull function returns a Boolean value—True or False—that indicates whether or not an expression contains valid data.
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Match each term with the correct statement below.
A. The most common form of joint review activity B. Should drive the execution of the security function throughout the conventional lifecycle of the development and maintenance process. C. The evaluation of the likelihood and impact of a given threat D. Include both the functional requirements for security as well as the security properties that the applications and systems should possess E. Allows the producer and the customer to reach a common understanding concerning the security status and progress of an ongoing project F. The purpose is to conceptualize and communicate the precise structure of the product G. Rational control of change based on a formal process H. Uses a team approach to define, design, and evaluate work products I. The set of formal processes used to ensure confidence in software and systems
Identify and briefly define several specialty areas of artificial intelligence.
What will be an ideal response?