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While adding the numbers contained in quotes, how MySQL evaluates if we write non-numeric text before a number?
Suppose if we are trying to add the numbers having non-numeric text before them, then MySQL simply evaluate the value of such number as 0. Following example will exhibit this −
Example
mysql> Select 'Kg 1525' + 'Oz 200'As Total; +-------+ | Total | +-------+ | 0 | +-------+ 1 row in set, 2 warnings (0.00 sec) mysql> Select 'Kg 1525' + '200'As Total; +-------+ | Total | +-------+ | 200 | +-------+ 1 row in set, 1 warning (0.00 sec)
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