MongoDB Recipes: With Data Modeling and Query Building Strategies

© Subhashini Chellappan and Dharanitharan Ganesan 2020

S. Chellappan, D. GanesanMongoDB Recipeshttps://doi.org/10.1007/978-1-4842-4891-1_4

4. Indexes

Subhashini Chellappan¹  and Dharanitharan Ganesan²

(1)

Bangalore, India

(2)

Krishnagiri, Tamil Nadu, India

 

In Chapter 3, we discussed data modeling patterns and the aggregation framework. In this chapter, we to discuss the following topics:

• Indexes.

• Types of indexes.

• Index properties.

• The various indexing strategies to be considered.

Indexes are used to improve the performance of the query. Without indexes, MongoDB must search the entire collection to select those documents that match the query statement. MongoDB therefore uses indexes to limit the number of documents that it must scan.

Indexes are special data ...