Which of the following statements is false?
a) C# 6’s null-conditional operator (?!) accesses a property or calls a method only if its
left operand is not null; otherwise, evaluation of the expression terminates and the value
of the entire expression is null.
b) A nullable type is a value type that also can be null.
c) You specify a nullable type by following a value type’s name with a question mark (?).
d) The GetValueOrDefault method checks whether a nullable-type variable contains a value. If so, the method returns that value; otherwise, it returns the value type’s default value.
c) You specify a nullable type by following a value type’s name with a question mark (?).
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Develop an economic feasibility analysis, using payback analysis, ROI, and present value (assume a discount rate of 10%).
What will be an ideal response?
Which of the following is NOT a benefit of using an append query?
A) You can use criteria to refine your selection. B) You can append records only when all of the data source fields exist in the destination table. C) You can review the data that will be appended before you run the query. D) You can append multiple records to a table at one time.
Match the following terms to their meanings:
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What does an Ohm rating for a coaxial cable mean?
What will be an ideal response?