What is primary and secondary replica sets in MongoDB ?
Replica Set Primary Member : In replica set Primary is the only member that receives write operations. In replica set...
What are MongoDB Charts ?
It is one of integrated tool used to create visual representation of your MongoDB. In a programming language such as Java or...
What are the storage engines used by MongoDB ?
Storage engine is responsible for managing how data is stored, both in memory and on disk. It is the component of the...
How to Back up and restore MongoDB Database ?
The mongo shell does not include functions for importing, exporting, restore or backup. MongoDB has created methods for...
What are the elements of the Sharded Cluster ?
Sharding is used to create a cluster of MongoDB instances consisting of at least three servers. There are three types of...
Pros and Cons of Mongodb ?
Advantages of MongoDB : Developer UX : It is created in such a way that ensures that the developers have an excellent...
How does Scale-Out occur in MongoDB ?
In MongoDB the document-oriented data model makes it easier to split data across multiple servers. Loading and Balancing...
What is Vertical Scaling & Horizontal Scaling ?
Scaling is used to alters size of a system. In this process expand the system to meet the expected needs or we either...
JSON Vs BSON
BSON JSON It is binary file format. It is standard file...
What is the use of Capped Collection in MongoDB ?
Capped collections are fixed-size collections means when we create the collection, we must fix the maximum size of the...
MongoDB Vs CouchDB
MongoDB CouchDB It Provides faster read speeds. If read speed is critical to your database,...
MongoDB Vs MySQL
MongoDB MySQL It uses MongoDB Query Language. It uses...
What are the Features of MongoDB ?
It has so many great features while being a NoSQL database. It is unique and attractive. They are making MongoDB widely...
What are Geospatial Indexes in MongoDB ?
It allows you to efficiently execute spatial queries on a collection that contains geospatial shapes and points. It was...
What are the aggregate functions of MongoDB ?
The aggregation pipeline consists of stages, and each stage transforms the document in MongoDB. In each state, the documents...
What are the data types in MongoDB ?
The documents are stores in BSON, which is the binary encoded format of JSON in MongoDB. In MongoDB we can make remote...
What are the different types of NoSQL databases ? Give some examples
A Database, which stores data in a format different from relational databases, hence is known as NoSQL Database. NoSQL- “not...
What is CRUD in MongoDB ?
It is used for various things like building an application (including web and mobile), or analysis of data, or administrator...
What is the use of Index in Mongodb ?
MongoDB is one of the leading NoSQL database. It is written in C++ Program. It provides high performance and availability...
What is MongoDB ?
It is a document-oriented NoSQL database used to build highly available and scalable internet applications. Nowadays, it is...