Question

Hi i have the table structure as follows

id   --auto increment id
alphabet
user_id
name

and while adding i needs to insert the english alphabets to users as incremental order like this A,B,C,....Z,AA,AB,AC,...AZ,BA,BB,BC,.....BZ.

I need to get like this

    id    alphabet  user_id   name  
------------------------------------------
    1      A          1       name-1
    2      B          1       name-2
    .      .          .         .
    .      .          .         .
    26     Z          1       name-n
    27     A          2       name-1
    28     B          2       name-2
    .      .          .         .
    .      .          .         .
    52     Z          2       name-52
    53     AA         2       name-53 
    .      .          .         .
    .      .          .         .
    .      .          .         .
    .      AZ         2         .  

Thanks for your time.

Answer 1

It’s quite easy that you use php to implement this,
please check codes below

$i = 'A';
echo $i;
echo PHP_EOL;
while($i != 'ZZ')
{
 echo ++$i;
 echo PHP_EOL;
}

or see the results in http://codepad.org/QB4kyV7U