this code is select item name and update value
and i want if item name and company name is same then update
like that
$result = mysql_query("UPDATE stock SET quantity=quantity - $quantity WHERE itemname='$itemname',company='$company'")
but its not working it is showing this error
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'company=='xyz'' at line 1
original code and this is working
$result = mysql_query("UPDATE stock SET quantity=quantity - $quantity WHERE itemname='$itemname'")
how can i do this please help me
thanks
使用AND运算符:
WHERE itemname='$itemname' AND company='$company'
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.