嗨,我需要获取数据库字段 sbstart 的总和。我将代码更改为 SUM(sbstart) 但似乎不是一个有效的举措。如何显示总和?谢谢。
<?php
$host = 'localhost';
$user = 'root';
$pass = '';
$db = 'regional_data';
@ $db = mysqli_connect($host, $user, $pass, $db);
if(mysqli_connect_errno())
{
die('The connection to the database could not be established.');
}
$query = "SELECT SUM(sbstart) FROM newchk WHERE dist_chk ='$distUsr'";
$result = mysqli_query($db, $query);
while ($recS = mysqli_fetch_array($result)){
echo ($recS['sbstart']);
}
?>