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<p><b><span style="font-size:22pt">Explaination 088: </span></b></p>
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Function SUM(x) calculates the sum of all values in column x in all rows returned by the SELECT statement. <br>
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Incorrect Answers <br>
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A: Function MAX(x) determines the maximum value in column x for all rows returned by the SELECT statement. <br>
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B: Function MIN(x) determines the minimum value in column x for all rows returned by the SELECT statement. <br>
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D: Function COUNT(x) counts the number of non-NULL values returned by the SELECT statement for column x. <br>
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E: There is no TOTAL() function in Oracle. <br>
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F: There is no LARGEST() function in Oracle. <br>
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OCP Introduction to Oracle 9i: SQL Exam Guide, Jason Couchman, p. 122-126 <br>
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Chapter 3: Advanced Data Selection in Oracle
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