String comparisons are not case sensitive : Not equal « Comparison Functions Operators « MySQL Tutorial

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MySQL Tutorial » Comparison Functions Operators » Not equal

15. 13. 5. String comparisons are not case sensitive


mysql>

mysql> SELECT 'AB' <> 'ab';

+--------------+

| 'AB' <> 'ab' |

+--------------+

|            0 |

+--------------+

1 row in set (0.00 sec)



mysql>

mysql> SELECT 'AB' = 'ab';

+-------------+

| 'AB' = 'ab' |

+-------------+

|           1 |

+-------------+

1 row in set (0.00 sec)



mysql>

15. 13. Not equal
	15. 13. 1.	Not equal: <> or !=
	15. 13. 2.	Data type conversion in Not equal operator
	15. 13. 3.	SELECT .01 <> '0.01';
	15. 13. 4.	Compare string value using the Not equal operator
	15. 13. 5.	String comparisons are not case sensitive

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