Retrieve Character in x++

Retrieve Character in x++ :

static void Job2(Args _args)

{   

    CustTable Custtable;

   

    // Accountnum = ADIT

   

    select Custtable where Custtable.AccountNum like "?D??";

   

    select Custtable where Custtable.AccountNum like "?D*";

   

    info(Custtable.AccountNum);

}