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Which mode tells the server to recognize || as the string concatenation operator?

Which mode tells the server to recognize || as the string concatenation operator?

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asked Jul 21, 2021 in MySQL by Genesis (122k points)

Which mode tells the server to recognize || as the string concatenation operator?

(a) PIPES_AS_CONCAT

(b) ORS_AS_CONCAT

(c) DOUBLE_PIPE_AS_CONCAT

(d) LOGIC_OR_AS_CONCAT

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Query is from Server SQL Mode in chapter Using SQL to Manage Data of MySQL

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1 Answer

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answered Jul 23, 2021 by Grace (692k points)
selected Jul 24, 2021 by Genesis

Best answer

Correct answer is (a) PIPES_AS_CONCAT

Best explanation: ‘PIPES_AS_CONCAT’, one of the many MySQL server mode values stored in the system variable would direct the server to treat the pipe characters as the standard SQL string concatenation operator rather than the logical or. The rest mode values are invalid.

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