SQL 查询返回以下内容:
User Registered On Last visit
2011-10-08 23:51:08 2011-10-08 23:51:09
2007-07-28 16:26:57 2013-10-05 11:51:42
我想将结果截断为仅 YYYY-MM-DD,以便比较登录日期以查看用户是否有些活跃。我看过 CAST 和 SUBSTRING,但我就是无法让事情正常工作!
如何从结果中删除 HH:MM:SS?把我的头发扯掉了!
$query = "select *
FROM users
";
$result = mysql_query($query);
echo "<table>";
echo "<tr><td>" . "User Registered On" . "</td><td>" . "Last visit" . "</td></tr>";
while($row = mysql_fetch_array($result)){
echo "<tr><td>" . $row['registerDate'] . "</td><td>" . $row['lastvisitDate'] . "</td></tr>";
}
echo "</table>";
mysql_close();