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| 1 | <title>Query 4, menghitung rata-rata</title> | |
| 2 | <h2>Query 4 Menghitung Rata-rata nilai dari Query Tabel Users</h2> | |
| 3 | <style type="text/css"> | |
| 4 | table {
| |
| 5 | font: 12px/24px Verdana, Arial, Helvetica, sans-serif; | |
| 6 | border-collapse: collapse; | |
| 7 | width: 500px; | |
| 8 | margin:0 auto; | |
| 9 | } | |
| 10 | th {
| |
| 11 | border: 1px solid #CCC; | |
| 12 | padding: 0 0.5em; | |
| 13 | text-align: center; | |
| 14 | background-color:#00FF66 | |
| 15 | } | |
| 16 | td {
| |
| 17 | border: 1px solid #CCC; | |
| 18 | padding: 0 0.5em; | |
| 19 | background-color:#DFFDD5; | |
| 20 | } | |
| 21 | h1 {
| |
| 22 | color:#003300; | |
| 23 | font:22px "Trebuchet MS"; | |
| 24 | text-align:center; | |
| 25 | } | |
| 26 | </style> | |
| 27 | <table border="1" width="500px"> | |
| 28 | <tr> | |
| 29 | <th>No</th> | |
| 30 | <th>Nama Anak</th> | |
| 31 | <th>Rata-rata Skor</th> | |
| 32 | <th>Rata-rata Waktu</th> | |
| 33 | <th>Petunjuk</th> | |
| 34 | </th> | |
| 35 | ||
| 36 | <!-- example 1 :menampilkan data di tabel--> | |
| 37 | <?php | |
| 38 | error_reporting(E_ALL ^ (E_NOTICE | E_WARNING)); | |
| 39 | $batas=30; //satu halaman menampilkan 30 baris | |
| 40 | $halaman=$_GET['halaman']; | |
| 41 | $posisi=null; | |
| 42 | if(empty($halaman)){
| |
| 43 | $posisi=0; | |
| 44 | $halaman=1; | |
| 45 | }else{
| |
| 46 | $posisi=($halaman-1)* $batas; | |
| 47 | } | |
| 48 | ||
| 49 | ||
| 50 | require_once('include/koneksi.php');
| |
| 51 | $query1="select * from users limit $posisi, $batas "; | |
| 52 | - | //$ratasoal ="(SELECT ((sum(col6) + sum(col7) +sum(col7) + sum(col8) + sum(col9) + sum(col10) + sum(col11) + |
| 52 | + | //$ratasoal ="(SELECT ((sum(col6) + sum(col7) +sum(col7) + sum(col8) + sum(col9) + sum(col10) + sum(col11) + sum(col12) + sum(col13))/count(*)) FROM users)"; |
| 53 | //$ratasoal ="SELECT avg(soal1 + soal2 + soal3 + soal4 + soal5 + soal6 + soal7 + soal8 + soal9) as avgtotal | |
| 54 | - | sum(col12) + sum(col13))/count(*)) FROM users)"; |
| 54 | + | |
| 55 | $ratasoal =mysql_query("SELECT soal1,soal2,soal3,soal4,soal5,soal6,soal7,soal8,soal9, (soal1 + soal2 + soal3 +
| |
| 56 | soal4 + soal5 + soal6 + soal7 + soal8 + soal9)/9 as avgtotal FROM users"); | |
| 57 | //$ratasoal ="SELECT (soal1 + soal2 + soal3 + soal4 + soal5 + soal6 + soal7 + soal8 + soal9)/9 as avgtotal FROM users"; | |
| 58 | ||
| 59 | //$ratasoal ="SELECT sum(soal1,soal2,soal3,soal4,soal5,soal6,soal7,soal8,soal9) as avgtotal FROM users"; | |
| 60 | //$ratasoal ="SELECT AVG(soal1) as avgtotal FROM users"; | |
| 61 | - | //$ratasoal ="SELECT (soal1 + soal2 + soal3 + soal4 + soal5 + soal6 + soal7 + soal8 + soal9)/9 as avgtotal |
| 61 | + | |
| 62 | $result=mysql_query($query1) or die(mysql_error()); | |
| 63 | //====query jalanin select * from users limit $posisi, $batas | |
| 64 | //====== yang mau di jalanin bukannya $ratasoal ?? | |
| 65 | $no=1; //penomoran | |
| 66 | ||
| 67 | while($rows=mysql_fetch_object($result)){
| |
| 68 | ?> | |
| 69 | <tr>var_dump($rows); | |
| 70 | <td><?php echo $no; ?></td> | |
| 71 | <td><?php echo $rows->username;?></td> | |
| 72 | - | <tr>var_dump($rows); |
| 72 | + | <td><?php echo $rows->avgtotal;?></td> |
| 73 | - | <td><?php echo $no ?></td> |
| 73 | + | <td><?php echo $rows->waktu1;?></td> |
| 74 | - | <td><?php echo $rows -> username;?></td> |
| 74 | + | <td align='right'><?php |
| 75 | - | <td><?php echo $ratasoal -> avgtotal;?></td> |
| 75 | + | echo $rows->petunjuk1;?></td> |
| 76 | - | <td><?php echo $rows -> waktu1;?></td> |
| 76 | + | </tr> |
| 77 | - | <td align='right'><?php echo $rows -> petunjuk1;?></td> |
| 77 | + | |
| 78 | - | </tr> |
| 78 | + | |
| 79 | $no++; | |
| 80 | } | |
| 81 | ?> | |
| 82 | </table> | |
| 83 | ||
| 84 | <?php | |
| 85 | //=============PAGING ======================== | |
| 86 | $sql_paging = mysql_query("select username from users");
| |
| 87 | $jmldata = mysql_num_rows($sql_paging); | |
| 88 | $jumlah_halaman = ceil($jmldata / $batas); | |
| 89 | ||
| 90 | echo "<br>Halaman :"; | |
| 91 | for($i = 1; $i <= $jumlah_halaman; $i++) | |
| 92 | if($i != $halaman) {
| |
| 93 | echo "<a href=query42.php?halaman=$i>$i</a>|"; | |
| 94 | } else {
| |
| 95 | echo "<b>$i</b>|"; | |
| 96 | } | |
| 97 | mysql_close();?> | |
| 98 | <br> | |
| 99 | Jumlah data :<?php echo $jmldata; | |
| 100 | ?> |