从不同的列值中查找最大列值

Question

我想从具有不同用户名的行中选择多个最大值.

表:

Username | Score  
x        | 50    
x        | 88    
y        |  77    
y        | 90    
z        | 101    
z        | 94

所以它取得:

x = 88, y = 90, z = 101

这是我目前的情况:

$query = mysql_query("SELECT MAX(score) AS max_score FROM table";
while ($row = mysql_fetch_array($query)) {
echo $row['max_score'];
}

我想将Username列合并到此,因此它不仅仅回显整个表列的最大值.

Answer 1

这是您的要求

$query = mysql_query("SELECT MAX(score) AS max_score FROM table GROUP BY username";
while ($row = mysql_fetch_array($query)) {
echo $row['max_score'];
}