Which of the following types of joins refers to results consisting of each row from the first table being replicated from every row in the second table?
a. outer join
b. non-equality join
c. self-join
d. Cartesian join
d
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Will Presley sells management training classes to entrepreneurs and Fortune 1000 companies. Last quarter his sales were very disappointing. When asked, he admitted that his poor performance was directly related to his wife having a new baby. He had not the time to devote to sales that he should have. As a result of Will's poor performance in the last quarter, which of the following is likely to occur.
A. His expectancy estimates will be higher and his instrumentality estimate will remain the same B. His instrumentality estimates will be lower and his expectancy estimates will remain the same C. His expectancy estimates for the next quarter will be lower D. Neither her expectancy nor instrumentality estimates will change E. His expectancy estimates for the next quarter will be higher
When is it advantageous to use sampling rather than complete inspection?
What will be an ideal response?