[英]php mysql updating in multiple tables
I have 3 tables: 我有3张桌子:
I want to update (edit) the following: IDCategory, Name(product), IDSupplier, Price, Quantity, but i'm not doing the UPDATE query right: 我想更新(编辑)以下内容:IDCategory,名称(产品),IDSupplier,价格,数量,但我没有正确执行UPDATE查询:
$query="UPDATE products P,
category C,
suppliers S,
productsupplier PS
SET P.IDCategory = '$idcategory',
P.Name = '$Name',
S.IDSupplier = '$idsupplier',
PS.Price = '$Price',
PS.Quantity = '$Quantity'
WHERE ((IDProduct = '$idproduct')
AND (P.IDProdus = PF.IDProdus)
AND (PS.IDSupplier = S.IDSupplier )
AND (P.IDCategory = C.IDCategory))");
How do i do this right? 我该怎么做对? Thank you! 谢谢!
http://forums.mysql.com/read.php?20,85813,85813#msg-85813 this thread should give you all the answers you need. http://forums.mysql.com/read.php?20,85813,85813#msg-85813该线程应该为您提供所需的所有答案。 In essence you should be using a join. 本质上,您应该使用联接。
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