If the PIPES_AS_CONCAT is disabled, ‘abc’ || ‘xyz’ results in ____________(a) 1(b) 0(c) error(d) -1I have been asked this question by my school teacher while I was bunking the class.This intriguing question comes from Expression Evaluation and Type Conversion topic in portion Data Types of MySQL

If the PIPES_AS_CONCAT is disabled, ‘abc’ || ‘xyz’ results in

1.	If the PIPES_AS_CONCAT is disabled, ‘abc’ \|\| ‘xyz’ results in ____________(a) 1(b) 0(c) error(d) -1I have been asked this question by my school teacher while I was bunking the class.This intriguing question comes from Expression Evaluation and Type Conversion topic in portion Data Types of MySQL
Answer» Correct choice is (b) 0 Explanation: When the SQL mode PIPES_AS_CONCAT is DISABLED, the SQL standard ‘\|\|’ OPERATION for string CONCATENATION is not valid in MySQL. Both operands are CONVERTED to zero. So the RESULT is zero.

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