create table toto (
    a int,
    b varchar(5)
);

select * from toto;

insert into toto values(17, 'youpi');
insert into toto values(18, 'yes!');
insert into toto values(19, 'hello');

select *
  from toto
  where a = 17;

select *
  from toto
  where a > 17;

select b
  from toto
  where a > 17;

drop table toto;

select a
    from
    toto 
    where a = 4
    ;

