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The ALL subquery performs operations on _____________(a) row(b) column(c) table(d) databaseThe question was asked during an interview.I need to ask this question from Maintaining Logs topic in section General MySQL Administration of MySQL

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The correct ANSWER is (B) column

The explanation is: The operators ‘ALL’ and ‘ANY’ are used to perform operations on columns. They are used in CONJUNCTION with a comparison operator in order to test the RESULT of a column subquery.



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