MySQL tutorial 8 - Where Not

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This video covers the NOT operator in MySQL. I also make use of a double negative. :D

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Комментарии
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it's nice quick and simple
i like it a lot and i'll share a video daily on my twitter
keep it going on Quentin

yasseryassin
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Cool one, I really like the tutorials!

andre
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Btw I think is better to use "!=" like in another programming languages!

andre
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UPDATE `business_products` SET `p_qty` =p_qty-$p_qty WHERE `p_name` = $p_name AND `bus_mobile` = $bus_mobile

above query showing messages that
PHP Fatal error: Uncaught mysqli_sql_exception: Unknown column 'Potato' in 'where clause'

'Potato' comes from $p_name. what to do about $p_name to

Please help

devdootcompany