[英]Selecting largest number from row
您可能會使用來自mySQL SELECT MAX(your_average_col)
-> MySQL doc的內置SELECT MAX(your_average_col)
$query = " SELECT col1, col2, MAX(colAVG) AS maxAVG FROM my_table ";
$stmt1 = $mysqli->prepare($query);
$results = $stmt1->execute();
$stmt1->bind_result($col1, $col2, $maxAVG);
$stmt1->store_result();
if ($stmt1->num_rows > 0) {
while($stmt1->fetch()){
echo"[ $col1 -> $col2 -> $maxAVG ]<br />";
}
}
else
{ echo"[ no data ]"; }
重要提示 :即使接受了答案,我認為用反引號保護列名也很有用,因為它們的名稱中帶有()。
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