create table train_details(
    train_no int,
    train_src varchar(255),
    train_dest varchar(255),
    train_arr_time time,
    train_dep_time time,
    train_seat_total_seats int,
    train_seats_booked int,
    train_seats_vacant int
);

insert into train_details values(22547,'Kanya Kumari','Jammu','19:20:00','19:30:00',380,80,300);

select * from train_details where train_src='Delhi' and train_dest='Varanasi';
select * from train_details where train_src='Kanya Kumari' and train_dest='Jammu';
select train_no,train_src from train_details where train_dest='Delhi';
select * from train_details where train_dest<>'Gaziabad';