MongoDB mongosh Create Database

MongoDB mongosh – Create Database 🗄️

👉 You don’t explicitly create a database — it is created automatically when you insert data into it.

Step 1️⃣ Open mongosh

Open terminal / command prompt and run:

If connected successfully, you’ll see:

Step 2️⃣ Check Existing Databases

📌 The database you create will not appear here until it contains data.

Step 3️⃣ Create (Switch to) a New Database

Use the use command:

Output:

⚠️ At this stage, the database is not yet created physically.

Step 4️⃣ Insert Data (This Creates the Database)

Insert a document into a collection:

Output:

✅ Now the database is created

Step 5️⃣ Verify Database Creation

You’ll now see:

Step 6️⃣ View Collections

Output:

Step 7️⃣ View Data

Important Notes ⚠️

• MongoDB creates databases only after data insertion

• Empty databases are not stored

• Database names are case-sensitive

• Avoid special characters in database names

Quick Summary 📝