Select the best answer
for each question. After completing the quiz, check your answers using
the answer key in the appendix.
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Which statement is false
with respect to a set operation that uses the EXCEPT, UNION, or INTERSECT
set operator without a keyword?
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Column names in the
result set are determined by the first table.
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To be overlaid, columns
must be of the same data type.
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To be overlaid, columns
must have the same name.
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By default, only unique
rows are displayed in the result set.
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The keyword ALL cannot
be used with which of the following set operators?
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Which PROC SQL step combines the tables Certadv.Summer and Certadv.Winter to produce the output ...