Getting Started with Create Database in MongoDB

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Introduction

In this article. My main focus to provides a simple guideline.How to create a database in MongoDB.In MongoDB database is dynamically created.Means there is no predefined structure as compared SQL.<USE> is used to create a database in MongoDB.

Prerequisite

It would be better if you have the basic knowledge of RDBMS concept. Actually, you are going to learn a high-performance database so we need some basics of these.It will good to cover my below articles before this.It helps to learn more about MongoDB.In which I explained.Click here MongoDB Indexing working and Installation MongoDB on Windows for Beginners and Introduction of MongoDB.

Basic Syntax

 1 Step
 USE COMMAND 
If Database does not exist then USE command help to a create a new database.

The following is the syntax

Write<USE_COMMAND>then Write<Database_NAME>For example, the Database name is <LOG> then the syntax is<USE LOG>

A database has created that show in below fig.

Alt tag MongoDB database creation

 

But one thing more.You have basic Knowledge database.A database is a collection of a logically related data set in which program data is stored.

 2 Step

 db Command

After that, you will use command <db>which helps to show your database.That has currently created. I will show you a simple picture.That describes its working.

 

Alt tag MongoDB Database creation

Step 3

Show <dbs> Command

If you want to check your all database.You will write <Show dbs>this Command helps to show you all database that had already existing or currently created.below picture, you will see.

Alt tag MongoDB Database creation

One thing more if you create a database its mandatory to insert data into it. if not insert data into it then the database will not show. you will see above fig <logs> database does not show. because the reason behind is that, data is not inserted in a<logs> database.

Conclusion

I wish I could tell you that a great site of MongoDB.you just understands key element above post-MongoDB database creation. more, detail about MongoDB database creation, please click here.how to create a database in MongoDB.You also read my previous lecture.I hope you will understand this lecture.Thank you for reading this lecture. Hope you got the idea.