Скачать или смотреть MongoDB Default Databases, Data Formats & CRUD Operations | Complete Guide for Beginners | Telugu

🚀 Welcome to Part 3 of our MongoDB Series! In this video, we will cover:

1️⃣ Understanding MongoDB Default Databases
What are the default databases in MongoDB?
Admin Database – What does it store? (User authentication, authorization info, roles)
Config Database – How does it help in MongoDB server configuration?
Local Database – Why is it important for replication?
2️⃣ Data Formats in MongoDB: JSON, BSON & EJSON
What is the difference between JSON, BSON, and EJSON?
Why does MongoDB use BSON instead of JSON?
What additional data types does BSON support? (e.g., 32-bit number, ObjectId, Date)
How does BSON improve memory efficiency and performance?
3️⃣ Creating Databases & Collections in MongoDB
How does MongoDB create databases dynamically?
How to check the current database? (db.getName())
How to manually create a collection? (db.createCollection(name))
How to list all collections? (show collections)
How to delete a database or collection? (db.dropDatabase(), db.collection.drop())
4️⃣ CRUD Operations in MongoDB
Create: How to insert documents into a collection?
Read: How to retrieve data using queries?
Update: How to modify existing documents?
Delete: How to remove documents from a collection?

Notes - https://drive.google.com/file/d/17Wd1...


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👉 Watch Part 1 here:    • MongoDB Tutorial for Beginners | Introduct...  
👉 Watch Part 2 here:    • MongoDB Shell & Server Explained | Install...