MongoDB Cookbook - Second Edition

Chapter 2. Command-line Operations and Indexes

In this chapter, we will cover the following topics:

• Creating test data
• Performing simple querying, projections, and pagination from the Mongo shell
• Updating and deleting data from the shell
• Creating an index and viewing plans of queries
• Creating a background and foreground index in the shell
• Creating and understanding sparse indexes
• Expiring documents after a fixed interval using the TTL index
• Expiring documents at a given time using the TTL index

Introduction

In this chapter we will be performing simple queries using the mongo shell. Later in the chapter, we will have a detailed look at commonly used MongoDB indexes.