CREATE TABLE train_station (train_id DECIMAL, station_id DECIMAL)
CREATE TABLE train (train_id DECIMAL, name TEXT, time TEXT, service TEXT)
CREATE TABLE station (station_id DECIMAL, name TEXT, annual_entry_exit DECIMAL, annual_interchanges DECIMAL, total_passengers DECIMAL, location TEXT, main_services TEXT, number_of_platforms DECIMAL)

Show the name and service for all trains in order by time.
SELECT name, service FROM train ORDER BY time
SELECT "name", "service" FROM "train" ORDER BY "time" NULLS FIRST