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$sql = "SELECT COUNT(ID) AS total
FROM ".$datatable."
WHERE STATE=".$category ;
我試圖找出爲什麼這不起作用。關於變量的MYSQL
$sql = "SELECT COUNT(ID) AS total
FROM ".$datatable."
WHERE STATE='AL'" ;
這一個無論如何工作。我不確定它是什麼conccctinate或「」語法問題