What is MongoDB - Sharding
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, a single machine may...
How do I enable replication in MongoDB
Replication is the process of synchronizing data across multiple servers. Replication provides redundancy and increases data availability with multiple copies of data on different database servers....
What is aggregation in MongoDB?
Aggregations operations process data records and return computed results. Aggregation operations group values from multiple documents together, and can perform a variety of operations on the groupe...
What is Indexing Mongo DB
Indexes support the efficient resolution of queries. Without indexes, MongoDB must scan every document of a collection to select those documents that match the query statement. This scan is highly...
What is the projection In Mongo DB
In MongoDB, projection means selecting only the necessary data rather than selecting whole of the data of a document. If a document has 5 fields and you need to show only 3, then select only 3 fiel...
How to sort Records
In this chapter, we will learn how to sort records in MongoDB.
The sort() Method
To sort documents in MongoDB, you need to use sort() method. The method acc...
What is Limiting Records
In this chapter, we will learn how to limit records using MongoDB.
The Limit() Method
To limit the records in MongoDB, you need to use limit() method. The m...
How to delete Documents
In this chapter, we will learn how to delete a document using MongoDB.
The remove() Method
MongoDB's remove() method is used to remove a document from the c...
How to update a Document
MongoDB's update() and save() methods are used to update document into a collection. The update() method updates the values in the existing doc...
How to query a Document
In this chapter, we will learn how to query document from MongoDB collection.
The find() Method
To query data from MongoDB collection, you need to use MongoDB's find()
