switch(property.getType()) {
                    case INTEGER:
                        type = "INTEGER"; break;
                    case REAL:
                        type = "REAL"; break;
                    default:
                        type = "VARCHAR";
                        if(property.hasConstraint(Length.class)==true)
                             out.printf("(%s)", property.getConstraint(Length.class).getMaxLength());
                        else
                            out.printf("(50)");
                }
             if(property.hasConstraint(Required.class)==true) {
                 String a = "NOT NULL";
                 out.printf(",%s %s %s\n", property.getName(), type, a);
             }
             else
                 out.printf(",%s %s\n", property.getName(), type);
            }