title: Table structure to store post having reply and reply also having reply using php and Mysql
body: <p>I am doing  Forum in PHP and Mysql.</p>
  
  <p>i have used the following table structure to store post and reply for post in mysql.From this structure i get the post and reply for that post , but now i am trying to add reply also having   relpy so for that what structure should i use so i store reply also having reply.</p>
  
  <pre><code>Post Table:
  
  post_id    post_title   post_desc 
  -----------------------------------------
    1          xyz         sssss
    2          pqr         tyyyu
    3          str         rrrrr
  ----------------------------------------
  
  
  Reply_table:
  
  Rep_id    rep_text      post_id
  ----------------------------------------
    1         gghh           1
    2         uuyu           2
    3         iiooo          1
  ----------------------------------------
  </code></pre>