UNION pb with NULL

Hello all, Following my previous mail about FULL OUTER JOIN, i tried to deal with UNION but i get some weird problems. I've created two temporary table, here their content : mysql select * from T3; +-+-+--+ | ver_ref | server | ver_real |

UNION pb with NULL

Hello all, Following my previous mail about FULL OUTER JOIN, i tried to deal with UNION but i get some weird problems. I've created two temporary table, here their content : mysql select * from T3; +-+-+--+ | ver_ref | server | ver_real |