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1(c) It is okay to have
ABC Co. as part of your result.
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1(f) For each company,
find the highest salaried employees.
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2(d) The pair (i, i) should not be a pair of
company names in the result.
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2(e) Do not worry about
duplicate company names in the result. It is okay for your SQL statement to
print out duplicate names.
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2(f) Ignore this question. We have not covered
the material in the class yet. If you are interested, you can look up the
"ALL" and "MAX" operators to handle this query.