몽고 DB 기초 6

Comparison With Relational Database

Relational DB : SQL

Create two different tables and tangle them with SQL. 

MongoDB : No-SQL

Create two different objects and nest. 

const mongoose = require('mongoose')
const Schema = mongoose.Schema

const BookSchema = new Schema({
    title: String, 
    pages: Number
})

const AuthorScheam = new Schema({
    name: String,
    age: Number, 
    book: [BookSchema] // nested
}) 

// mongoose.model(model name, model schema)
const Author = mongoose.model('Author', AuthorSchema)
module.exports = Author