How to Create MongoDB database and Collections

How to Create MongoDB database and Collections

MongoDB is a cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with schema. MongoDB is developed by MongoDB Inc. and licensed under the Server Side Public License. After you install MongoDB Please do the following:

1. Connect to the Mongo Shell.

[root@mongotest ~]# mongo mongotest:27017

2. List all Databases.

> show dbs
local  0.031GB

3. Create a Database.

> use profiles
switched to db profiles

> show dbs
local  0.031GB

4. Show DB still not showing the DB. You need to add at least one Collection to make this DB visible.

> db.Firstname.insert({"name":"Manas"})
WriteResult({ "nInserted" : 1 })

> show dbs
local     0.031GB
profiles  0.031GB

5. Show all collections.

> show collections
Firstnamesystem.indexes

6. Show existing DB in Use.

> db
profiles

Useful MongoDB Articles:

• How To Install MongoDB 4 on RHEL 8 / CentOS 8
• How To Install MongoDB 4 on RHEL 7 / CentOS 7
• How to Create MongoDB database and Collections
• MongoDB: Install Mongo Client and Mongo Shell in Ubuntu, CentOS
• How to delete or drop MongoDB database
• MongoDB Startup Error
• MongoDB 3.x Installation and Initial Configuration