Php questions about table data retrieval

Php's question about table data retrieval is worth mentioning & lt ;? Php & nbsp; include & nbsp; 'connect. php'; & nbsp; $ SQL = "SELECT & nbsp; * & nbsp php about table data worth reading
Include 'connect. php ';
$ SQL = "SELECT * FROM 'rwgl '. 'rwb '";
Mysql_select_db ($ mysql_database, $ conn );
$ Query = mysql_query ($ SQL, $ conn) or die ("error ");
While ($ row = mysql_fetch_array ($ query )){
$ I ++;
?>










}
?>
Mysql_close ($ conn );
?>

The result is:

1 aa bb 100 0
1 cc dd 2013-04-19 2013-05-01 100 0
1 ee ff 100 0
1 gg jj 100 0


What should I do if I want to click the second column of any row and query the data containing the values of the first and second columns of the row in the database? What should I do if I need to name the label box or ID? PHP MySQL database
------ Solution --------------------
To generate the second column Change
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