insert into user 1 "user1" "user1@example.com" 20
insert into user 2 "user1" "user1@example.com" 20
insert into user 3 "user2" "user2@example.com" 23
insert into user 4 "user3" "user3@example.com" 25
select * from user where email = "user2@example.com"
.exit
