PHP where ?
PHP MySQL Where ?
WHERE ?? ???? ????? ? ?????.
WHERE ?
WHERE ?? ??? ??? ?? ???? ???? ? ?????.
??
SELECT ?? ?? FROM ???_??
WHERE ?? ?? ??? ?
??? ??? ???? ???? ????? SELECT ?? ?????. WHERE ?.
WHERE ?? ?? ?? ???? ??? ? ????:
PHP? ? ???? ????? mysqli_query? ???? ???. () ??. ? ??? MySQL ??? ??? ??? ??? ? ?????.
?
?? ???? "Persons" ????? FirstName='Peter'? ?? ?? ?????.
<?php
$con=mysqli_connect("localhost","username","password","database");
// 檢測連接
if (mysqli_connect_errno())
{
echo "連接失敗: " . mysqli_connect_error();
}
$result = mysqli_query($con,"SELECT * FROM Persons
WHERE FirstName='Peter'");
while($row = mysqli_fetch_array($result))
{
echo $row['FirstName'] . " " . $row['LastName'];
echo "<br>";
}
?>? ??? ??? ?????.
?? ???
