[更新所有name=heiyeluren的记录为heiyeluren2，在SQLyog下执行]
Heap engine update used time: 2.500
MyISAM engine update used time: 16.000

[删除所有name=heiyeluren2的记录，在SQLyog下执行]
Heap engine delete used time: 51.172
MyISAM engine delte used time: 5.578

<?php
/**
 * function lib
 */
function conn(){
    $host = "localhost";
    $user = "root";
    $pass = "";
    $db   = "test";

    $conn = mysql_connect($host, $user, $pass);
    if (!$conn || !is_resource($conn)){
        die("Connect to mysql failed: ". mysql_error());
    }
    mysql_select_db($db);
    return $conn;
}

function query($conn, $sql){
    $res = mysql_query($sql, $conn);
    if (!$res){
        echo mysql_error()." ";
        return false;
    }
    return true;
}

function get_data($conn, $sql){
    $res = mysql_query($sql, $conn);
    if (!$res){
        echo mysql_error()." ";
        return false;
    }
    $result = array();
    while($row = mysql_fetch_array($res)){
        $result[] = $row;
    }
    return $result;
}

function get_time()
{
    list($usec, $sec) = explode(" ", microtime());
    return ((float)$usec + (float)$sec);
}

/**
 * Insert test
 */
$conn = conn();
$count = 200000;

//Heap engine
$s1 = get_time();
for($i=0; $i<$count; $i++){
    query($conn, "insert into tbl_heap set name = 'heiyeluren', 

email='heiyeluren@abc.com', summary='This message is summary'");
}
$e1 = get_time();
echo "Heap engine insert $count record used time: ". ($e1-$s1) ." ";


//MyISAM engine
$s2 = get_time();
for($i=0; $i<$count; $i++){
    query($conn, "insert into tbl_isam set name = 'heiyeluren',

email='heiyeluren@abc.com', summary='This message is summary'");
}
$e2 = get_time();
echo "MyISAM engine insert $count record used time: ". ($e2-$s2) ." ";


/**
 * Select test
 */

$count = 1000;
$records = 10000;

$s1 = get_time();
for($i=0; $i<$count; $i++){
    $res = get_data($conn, "select * from tbl_heap limit $records");
    unset($res);
}
$e1 = get_time();
echo "Heap engine select $count record used time: ". ($e1-$s1) ." ";


$s2 = get_time();
for($i=0; $i<$count; $i++){
    $res = get_data($conn, "select * from tbl_isam limit $records");
    unset($res);
}
$e2 = get_time();
echo "MyISAM engine select $count record used time: ". ($e2-$s2) ." ";

?>