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mysql vs mysqli ¼Óµµ Å×½ºÆ®
17³â Àü
1. mysql ÇÔ¼ö·Î »ç¿ëÇßÀ» °æ¿ì

¼Ò½ºÄÚµå :

<?
$start = microtime();
$link = mysql_connect($host,$user,$pw) or die(mysql_error());
mysql_select_db($db) or die(mysql_error());
$result = mysql_query("select * from member limit 10") or die(mysql_error());
echo "<xmp>";
while($row = mysql_fetch_assoc($result))$out[] = $row;
for( $i=0,$cnt=count($out) ; $i < $cnt ; $i++ ){
        $rank = $out[$i]['rank'];
        $name = $out[$i]['name'];
        echo "$rank $name \n";
}
echo "</xmp>";
mysql_close($link);
$end = microtime();
$time = $end - $start;
echo $time;
?>
0.002698



2. mysqli¸¦ °´Ã¼ÁöÇâÀ¸·Î »ç¿ëÇßÀ» °æ¿ì

¼Ò½ºÄÚµå :

<?
$start = microtime();
$my_db = new mysqli($host,$user,$pw,$db);
if ( mysqli_connect_errno() ) {
        echo mysqli_connect_error();
        exit;
}
$result = $my_db->query("select rank,name from member limit 10") or die($my_db->error);
while($row = $result->fetch_assoc())$out[] = $row;
$result->close();
echo "<xmp>";
for( $i=0,$cnt=count($out) ; $i < $cnt ; $i++ ){
        $rank = $out[$i]['rank'];
        $name = $out[$i]['name'];
        echo "$rank $name \n";
}
echo "</xmp>";
$my_db->close();
$end = microtime();
$time = $end - $start;
echo $time;
0.001557
?>



10°ÇÀ» Äõ¸®ÇßÀ» °æ¿ì
±âÁ¸¹æ½Äó·³ mysql ¸¦ »ç¿ëÇßÀ» °æ¿ì 0.002698
mysqli¸¦ »ç¿ëÇßÀ» °æ¿ì 0.001557

1000°Ç Äõ¸®ÇßÀ» °æ¿ì
±âÁ¸¹æ½Äó·³ mysql ¸¦ »ç¿ëÇßÀ» °æ¿ì 0.156648
mysqli¸¦ »ç¿ëÇßÀ» °æ¿ì 0.052507

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