MongoDB

Model Data for Atomic Operations The recommended approach to maintain atomicity would be to keep all the related information, which is frequently updated together in a single document using embedded documents.…

Analyzing queries is a very important aspect of measuring how effective the database and indexing design is. We will learn about the frequently used $explain and $hint queries. Using $explain The $explain operator provides information on…

In this chapter, we will learn about covered queries. What is a Covered Query? As per the official MongoDB documentation, a covered query is a query in which − All…

As seen in the last chapter of MongoDB relationships, to implement a normalized database structure in MongoDB, we use the concept of Referenced Relationships also referred to as Manual References in which we manually…

Relationships in MongoDB represent how various documents are logically related to each other. Relationships can be modeled via Embedded and Referenced approaches. Such relationships can be either 1:1, 1:N, N:1, or N: N. Let…

To use MongoDB with PHP, you need to use a MongoDB PHP driver. Make sure to download the latest release of it. Now unzip the archive and put php_mongo.dll in…

In this chapter, we will learn how to set up MongoDB CLIENT. Installation Before you start using MongoDB in your Java programs, you need to make sure that you have…

When you are preparing a MongoDB deployment, you should try to understand how your application is going to hold up in production. It’s a good idea to develop a consistent,…

In this chapter, we will see how to create a backup in MongoDB. Dump MongoDB Data To create a backup of the database in MongoDB, you should use mongodump command. This command…

Sharding is the process of storing data records across multiple machines and it is MongoDB's approach to meeting the demands of data growth. As the size of the data increases,…