title: inserting primary key value from one table to another
body: <p>i am new to mysql , </p>
  
  <p>i have an application in which i am getting dynamic values from mysql table say "TABLE A" into dropdown box, and want to insert this dropdown box value into another table  say "TABLE B", while inserting want to insert related "primary key" value from "TABLE A" into "TABLE B".</p>
  
  <p>can anyone give any sugessions or idea of how to do this..
  thanks in advance for your reply.</p>