php - getting row wise data from the database -


i have table named allocate this

create table allocate(     mid int(10),      pid int(20),     day1 int(2),     day2 int(2),     ...     day31 int (2) );

in mid, have number corresponding month (1 january, 2 february, etc.). in day1 through day31, have numerical values. i'm trying retrieve , update data same, unable it.

i'm using following code retrieve each month's data:

mysql_connect("$host", "$username", "$password")or die("cannot connect");  mysql_select_db("$db_name")or die("cannot select db");   $sql = "select * allocate product_id = '".$product_id."' "; //   $res = mysql_query($sql) or die(mysql_error());  while($row = mysql_fetch_array($res)) {     $day1 = $row['day1'];     $day2 = $row['day2'];     $day3 = $row['day3'];     $day4 = $row['day4'];     $day5 = $row['day5'];      $day6 = $row['day6'];     $day7 = $row['day7'];     $day8 = $row['day8'];     $day9 = $row['day9'];     $day10 = $row['day10'];     $day11 = $row['day11'];     $day12 = $row['day12'];     $day13 = $row['day13'];     $day14 = $row['day14'];     $day15 = $row['day15'];     $day16 = $row['day16'];     $day17 = $row['day17'];     $day18 = $row['day18'];     $day19 = $row['day19'];     $day20 = $row['day20'];     $day21 = $row['day21'];     $day22 = $row['day22'];     $day23 = $row['day23'];     $day24 = $row['day24'];     $day25 = $row['day25'];     $day26 = $row['day26'];     $day27 = $row['day27'];     $day28 = $row['day28'];     $day29 = $row['day29'];     $day30 = $row['day30'];     $day31 = $row['day31']; } echo $day1;

here, getting values january day1 day31. how solve this? insertion allocation happening.

in sql query, refering field product_id

select * allocate product_id =

which doesn't exist in schema. print out data row wise should have had echo inside while loop loops through result row wise.


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