The latest articles on DEV Community by Surya ganthan (@suryaganthan). https://dev.to/suryaganthan https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3547994%2F0bc2c31d-9198-428c-9586-73ae77e2e585.png https://dev.to/suryaganthan en Surya ganthan Mon, 06 Oct 2025 10:17:07 +0000 https://dev.to/suryaganthan/mongodb-basics-30i8 https://dev.to/suryaganthan/mongodb-basics-30i8 <p><strong>Here are the steps to download MongoDB compass</strong></p> <ol> <li>Open your preferred Browser.</li> <li>Open <a href="https://www.mongodb.com/products/tools/compass" rel="noopener noreferrer">https://www.mongodb.com/products/tools/compass</a> </li> </ol> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fqbkluaxcdem025mj1n18.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fqbkluaxcdem025mj1n18.png" alt=" " width="800" height="387"></a></p> <ol> <li>Click on download now.</li> </ol> <p><strong>CREATING A CLUSTER ON MongoDB Atlas</strong></p> <ol> <li>Visit <a href="https://www.mongodb.com/products/platform/atlas-database" rel="noopener noreferrer">https://www.mongodb.com/products/platform/atlas-database</a> </li> <li>Create your free account.</li> <li>Create a new Organization and a New Project.</li> <li>Go to Clusters</li> <li>Click on Create new Cluster</li> <li>Use free tier.</li> <li>Click on OK.</li> </ol> <p>![ ](<a href="https://dev-to-uploads.s3.amazonaws.com/uploads/articles/wdbllq88xk4hcnlg" rel="noopener noreferrer">https://dev-to-uploads.s3.amazonaws.com/uploads/articles/wdbllq88xk4hcnlg</a></p> <p><strong>Creating a sample database</strong></p> <ol> <li>In clusters , go to browse collections.</li> <li>Click on Create database.</li> <li>Now click on insert document.</li> <li>Add your details inside the edit option</li> </ol> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Ftavultujdaf3fvjkpekq.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Ftavultujdaf3fvjkpekq.png" alt=" " width="800" height="385"></a></p> <ol> <li>Now you can see your given details are added to the database.</li> </ol> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fipxbu51c2i767jvgj558.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fipxbu51c2i767jvgj558.png" alt=" " width="800" height="386"></a></p> <p><strong>Steps to get the connection string</strong></p> <ol> <li>Head to the cluster.</li> <li>Click the Overview option.</li> <li>Click on CONNECT option.</li> <li>Add current IP address [ In the network configuration ].</li> <li>Click on MongoDB compass and you will see the connection string</li> </ol> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fec12ac9zcinylink03p3.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fec12ac9zcinylink03p3.png" alt=" " width="800" height="387"></a></p> <p><strong>Steps to connect with MongoDB compass</strong></p> <ol> <li>After you got the connection string , open MongoDB compass.</li> <li>Click on ' Add New Connection ' option. </li> <li>Paste the String you got.</li> <li>Change the password [ what you gave while creating database ].</li> <li>Now click on ' Save and Connect '.</li> </ol> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fb6panxz4j99ffyt1qa7x.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fb6panxz4j99ffyt1qa7x.png" alt=" " width="800" height="449"></a></p> <p><strong>CRUD operations in MongoDB compass</strong></p> <ol> <li>Open shell after connecting to the db.</li> <li>Switch to your database and select/create your desired collection.</li> </ol> <p>----- EVERY COMMAND SHOWN IS AN EXAMPLE -----</p> <p>Inserting values </p> <p>--&gt; use command - db..insertOne({"val1":"val2"})</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F7u8dpl89rc0ju5ktp8un.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F7u8dpl89rc0ju5ktp8un.png" alt=" " width="800" height="449"></a></p> <p>Updating values </p> <p>--&gt; use command - db..updateOne(<br> { new_val1: "new_val2" },<br> { $set: { "profile.age": 25, "profile.city": "Chennai" } }<br> )</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Frdleigv0jbbgnpy6fq4f.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Frdleigv0jbbgnpy6fq4f.png" alt=" " width="800" height="449"></a></p> <p>Deleting values</p> <p>--&gt; use command - db.First.deleteOne({ val1: "val2" })</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fv8alro9x38qbya5k5448.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fv8alro9x38qbya5k5448.png" alt=" " width="800" height="517"></a></p> <p><a class="mentioned-user" href="https://dev.to/shabhika_s_7a4d920629082b">@shabhika_s_7a4d920629082b</a> <a class="mentioned-user" href="https://dev.to/santhoshnc">@santhoshnc</a> <a class="mentioned-user" href="https://dev.to/aravind_66ac0038974374783">@aravind_66ac0038974374783</a></p> database mongodb tutorial beginners