Display count of unique values in MySQL db table using PHP -


so have table named pins has 3 columns need taken consideration. these columns plan , order_id.

i need count of pins have order_id=0 , plan=9.

this have far:

$qt="select plan, count(*) cnt pins order_id=0 , plan=9"; $res=mysql_query($qt);<br/> mysql_free_result($res);  while($row = mysql_fetch_array($res)) {<br/> echo $row['plan'];<br/> }

any in displaying results great help.

try group pin using group by, 

$result = mysql_query("select plan, count(pin) cnt pins (order_id=0 , plan=9) group plan");  echo "<table border='1' style='border-collapse: collapse'>";   echo "<th>plan</th><th>count</th>";   while ($row = mysql_fetch_array($result))    {      echo "<tr><td>".$row['plan']."</td><td>".$row['cnt']."</td></tr>"; }  echo "</table>";         mysql_free_result($result); ?>

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