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Database Management Systems | Alkhabay Bakgeldi
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What does the COUNT() aggregate function allow you to get?
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Which operator compares a value to every value returned by the subquery and returns true if all rows yield true?
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The GROUPING SETS clause allows you to define what in the same query?
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Which operator compares a value to each value returned by the subquery and returns TRUE if the comparison is TRUE for ANY of the values?
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What is the main advantage of using the UNION ALL operator compared to the UNION operator?
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Which window function returns a value evaluated against the first row within its partition?
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Which SQL aggregate function returns the average value of a set?
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Which of the following ACID properties ensures that transactions that have been committed will be stored in the database permanently?
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The GROUPING() function returns bit 0 if its argument is a member of the current grouping set, and what otherwise?
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Which window function returns a value evaluated at the row that is at a specified physical offset before the current row within the partition?
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