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_6

6. Multidocument Transactions

Subhashini Chellappan¹  and Dharanitharan Ganesan²

(1)

Bangalore, India

(2)

Krishnagiri, Tamil Nadu, India

 

In Chapter 5, we discussed replica sets and sharding in MongoDB. In this chapter, we are going to discuss multidocument transactions in MongoDB, a new feature introduced in MongoDB 4.0.

Multidocument Transactions in MongoDB

In MongoDB, a write operation on single document is atomic, even if the write operation modifies multiple embedded documents within a single document. When a single write operation (e.g., db.collection.updateMany()) modifies multiple documents, the modification ...