Mysql - 1:n relationship
===

    A table : id, name
    B table : id, a_id, name

1A : nB

i want to select a record in A and related information in B with result like below

    array( 
        0 => aID_1, 
        aName_1, 
        array (
           bName_1, 
           bName2 , .v.v.v
        ),
      ... 
      ...
    )

Can i do it with only on query ?