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BUAN-302 Final Exam questions with correct answers
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BUAN-302 Final Exam questions with correct answers
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BUAN-302 Final Exam questions with correct answers The SQL standard provides a set of _____________ functions that enable you to calculate a single value from the rows in a result set or from the values returned by a value expression. - answer aggregateWhich aggregate function is used to compute a total of a value expression? - answer SUM(value expression)
Which aggregate function would you apply to a list of birthdates to find the youngest person's birthdate? - answer MAX(value expression) Which aggregate function returns a count of all non-null values returned by a value expression? - answer COUNT(value expression)
If you want to include a column in the output that is not a result of an aggregate calculation you must
add it to what clause? - answer GROUP BY
Which clause is used to group matching values of a
specified column together? - answer GROUP BY
The GROUP BY clause is added after what clause? - answer WHERE
When there is no GROUP BY clause, what does the HAVING clause operate on? - answer all rows returned by the FROM and WHERE clauses
The WHERE and HAVING clauses use a ________________ to determine whether a row will be
included in the final result set. - answer search condition
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