In this guide, you’ll learn how to create a MongoDBreplica set. A replica set is a cluster of MongoDB database servers that implements master-slave (primary-secondary) replication. Replica sets also fail over automatically, so if one of the members becomes unavailable, a new primary host ...
Creating a database using a programming language involves installing the specific MongoDB driver (library) for that language. As MongoDB is available for many programming languages, the process is different for each language. The steps below show how to create a MongoDB database using Python: 1...
After installing MongoDB, set up and configure thedatabase. The steps below show how to set up a database user and configureauthentication. Create MongoDB Admin User To create a MongoDB admin user, do the following: 1. Open the Mongo shell for use. Enter the following command in the ter...
MongoDB achieves scaling through a technique known as “sharding”. Sharding is the process of writing data across different servers to distribute the read and write load and data storage requirements. In a previous tutorial, we coveredhow to install MongoDB on an Ubuntu 12.04 VPS...
In MongoDB, a unique index ensures that each value in a particular field or group of fields inside a collection is unique. Using the createIndex() method, we can make a unique index field for the specific collection. For the purpose of maintaining the data integrity and avoiding duplicate ...
I always use MongoDB as a database when I work on an app. And I like to connect to a database on my computer because it speeds up dev and test-related work. Today, I want to share how to create and connect to a local MongoDB Database. ...
Step 1: Create an account To create a MongoDB Atlas cluster, first, you need to create a MongoDB Atlas account if you don't already have one. Visit theMongoDB Atlaswebsite and click on “Register.” Step 2: Build a new cluster ...
How to create user and password in MongoDB? Anil Posted on September 19, 2019 1. Install MongoDB from the URL https://docs.mongodb.com/v4.0/tutorial/install-mongodb-on-windows/ 2. Go to installation directory /MongoDB/Server/4.0/bin 3. Click on mongod.exe, server will be started. ...
1. How to Install MongoDB1.1. MongoDB Installation on Ubuntu 20.042. What is a MongoDB Cluster?3. MongoDB cluster setup4. Cluster Setup Procedure4.1. Step 1: Create folders to represent the shards and config servers.4.2. Step 2: Start the config servers4.3. Step 3: Initiate Shards4.4. ...
Create a Compound Index A compound index contains more than one index. To create a compound index of address and product type on a customer collection, for instance: db.customer.createIndex({address:1, products:1}) Since you didn't provide a name while creating the above index, MongoDB c...