title: add second id in mysql colum alphabetically where 1st column is the id for hotel and second column is the id of the packages added
body: <p>i have a mysql table for hotel details where the hotel id is generated automatically and is auto incremental and another table package details where the packages for each hotel are add.</p>
  
  <p>currently the package id is incremented automatically.</p>
  
  <p>so 1st hotel with 5 packages have hotel id 1 &amp; package id as 1,2,3,4,5 &amp; 2nd hotel has hotel id 2  &amp; package id as 6,7,8,9</p>
  
  <p>but i want to make it as hotel id 1 package id 1a,1b,1c,1d,1e &amp; 2nd hotel with hotel id 2 package id as 2a,2b, 2c, &amp; so on</p>
  
  <p>we are using php &amp; mysql</p>