db.json

{
    "authors": [
        {
            "id": 1,
            "name": "Author 1"
        },
        {
            "id": 2,
            "name": "Author 2"
        },
        {
            "id": 3,
            "name": "Author 3"
        }
    ],
    "books": [
        {
            "id": 1,
            "name": "Book 1",
            "authorId": 1
        },
        {
            "id": 2,
            "name": "Book 2",
            "authorId": 1
        },
        {
            "id": 3,
            "name": "Book 3",
            "authorId": 1
        },
        {
            "id": 4,
            "name": "Book 4",
            "authorId": 2
        },
        {
            "id": 5,
            "name": "Book 5",
            "authorId": 2
        },
        {
            "id": 6,
            "name": "Book 6",
            "authorId": 2
        },
        {
            "id": 7,
            "name": "Book 7",
            "authorId": 3
        }
    ]
}