SELECT { } 
FROM users u

SELECT { name: "yikes!" }
FROM users u

SELECT { age: 15, likes: [ "fishing", "swimming"] }
FROM users u

SELECT { name: u.name, age: u.age } 
FROM users u

SELECT { name: u.name, nextAge : u.age + 1 } 
FROM users u

SELECT { person: { name: u.name, age: u.u_age }, likes: [ "fishing", "swimming"] } 
FROM users u