Meteor in Action

Chapter 4. Working with data

This chapter covers

• Meteor’s default data sources
• The principles of reactive data and computations
• The Session object
• Working with a MongoDB database using Collections
• CRUD operations

As you saw in chapter 1, Meteor doesn’t rely on a traditional, server-focused architecture. It runs code and processes data on each client as well. To do so, it uses a mini-database to mimic the API of a real database inside the browser. That means you can access data in the same manner, regardless of whether you’re making a database lookup or accessing the results of a query on the browser.

All data that’s available only in a single client will obviously be lost once the client disconnects and hasn’t sent its updates back ...