PHP MySQL ????
UPDATE ?? ?????? ???? ???? ???? ? ?????.
??
UPDATE table_name
SET ??1=?, ??2=?2,.. .
WHERE some_column=some_value
??: UPDATE ??? WHERE ?? ?????. WHERE ?? ?????? ?? ???? ?????. WHERE ?? ???? ?? ??? ???????!
SQL? ?? ??? ????? SQL ????? ?????.
?? ???? ?????.
?? Myguests ???? ???? ???????.
firstname="tom " ?? ??
<?php
header("Content-type:text/html;charset=utf-8"); //設(shè)置編碼
$con=mysqli_connect("localhost","root","root","test");
// 檢測(cè)連接
if (mysqli_connect_errno())
{
echo "連接失敗: " . mysqli_connect_error();
}
mysqli_query($con,"UPDATE Myguests SET Age=23 WHERE firstname='tom'");
mysqli_close($con);
?>???? ??
???? ???
?????? ?? ????? .
