model User {
	id	Int	@id @default(autoincrement())
	email	String	@unique
	profile	Profile?
}

model Profile {
	name	String
	gender	String
	age	String
	
	// it should be @unique coz we want one Profile only reference one User
	userId	Int	@unique 
	user User	@relation(fields: [userId], refrences: [id])
}

model User {
	firstName	String
	lastName	String

	profile	Profile?
	
	@@id([firstName, lastName])
}

model Profile {
	name	String
	gender	String
	age	String
	
	userFirstName	String
	userLastName	String
	user User	@relation(fields: [userFirstName, userLastName], refrences: [firstName, lastName])

	@@unique([userFirstName, userLastName])
}