The Little Mongo DB Schema Design Book

Many-To-Many (N:M) 10
Some example Author documents
1 {
2 _id: 1,
3 name: "Peter Standford",
4 books: [1, 2]
5 }
6
7 {
8 _id: 2,
9 name: "Georg Peterson",
10 books: [2]
11 }
Mirroring the Author document, for each Book we include the Author foreign
Author field.
keys under the
Some example Book documents
1 {
2 _id: 1,
3 title: "A tale of two people",
4 categories: ["drama"],
5 authors: [1, 2]
6 }
7
8 {
9 _id: 2,
10 title: "A tale of two space ships",
11 categories: ["scifi"],
12 authors: [1]
13 }
Queries