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https://github.com/pratikrameshmajage/mongodb
📚 MongoDB Notes 🍃 Welcome to the MongoDB Notes repository! 🎉 Here, you'll find a collection of well-organized and concise notes to help you master MongoDB, the leading NoSQL database 🚀. Whether you're a beginner or an experienced developer, these notes are designed to guide you through the core concepts and advanced features of MongoDB. 💻
https://github.com/pratikrameshmajage/mongodb
collections databases documents mongodb mongodb-atlas mongodb-compass mongodb-shell server
Last synced: about 1 month ago
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📚 MongoDB Notes 🍃 Welcome to the MongoDB Notes repository! 🎉 Here, you'll find a collection of well-organized and concise notes to help you master MongoDB, the leading NoSQL database 🚀. Whether you're a beginner or an experienced developer, these notes are designed to guide you through the core concepts and advanced features of MongoDB. 💻
- Host: GitHub
- URL: https://github.com/pratikrameshmajage/mongodb
- Owner: PratikRameshMajage
- Created: 2024-04-23T06:28:43.000Z (9 months ago)
- Default Branch: main
- Last Pushed: 2024-12-04T04:43:48.000Z (about 2 months ago)
- Last Synced: 2024-12-04T05:24:53.920Z (about 2 months ago)
- Topics: collections, databases, documents, mongodb, mongodb-atlas, mongodb-compass, mongodb-shell, server
- Language: JavaScript
- Homepage:
- Size: 9.77 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: readme.md
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README
#  `Complete MongoDB Notes:`
## `Introduction:`
### `What is Mongodb:`
- MongoDB is an Open-Sourse, Document-Oriented No-Sql Database Management System.
- [Mongodb](https://www.github.com/mongodb/mongo)
- Casendra, MySql, MongoDb, Oracle.
- A Database that Stores Information in a Document.
- In the Form of .JSON Format.
- Designed for Flexibility, Scalability, and Performance in Handling Unstructure or Semi-Structure Data.
### `More About Mongodb:`
- MongoDb Software -> 10gen -> MongoDb
- It was Created by a company 10gen whisvh is now known as Mongodb, Inc. The company was founded by Eliot Horowitz and Dwight Merriman in 2007. the first version of mongodb was release in 2009.
- Hu**mongo**us - Mongos
|`SQl`|`NoSQl`|
|---|-----|
|SQL Database are Relational Databases.| NoSql Databsae are Non-Relational Databases.|
|They use Structured tables to Store data in rows and columns.|Theey Provide Flexibility in data Storage, allowing varied data types and Structure.|
|Sutable for applications with well defined schemas and fixed data structures.|Ideal For Applications with Dynamic or evolving Data Models.|
|E-Commarce Platform, Hr Management etc.|Content Management System (CMS), Social Media Platforms, Gaming etc.|
|Examples: MySql, PostgreSQL, Oracle.|Examples: MongoDb, CAssendra, Redies|
- SQl: Ingormation, Rows, Columns, Tables, Databases, Fix ROws & Columns - .sql
- NoSQl: Collection: Students, 2-Documents, Embbeded Documents, Flexible - .json
- Inside One Collections, We can have Multiple Documents.
### `Mongodb Teminologies:`
- `Database` - Multiple `Collections` - Multiple `Documents` (Schemaless)
### `Key Features of Mongodb:`
- Flexible Schemaless Design:
- Mongodb allows dynamic, Schemaless data Structures.
- Easily Accommodate Changing data requirements.
- Scalability and Performance:
- Horizontal Scaling Supports large Datasets and High traffic.
- Optimize read and Write Operations for fast Performance.
- Document Oriented Storage
- Dynamic Queries:
- Rich query language with support for complex queries.
- utilize index to speedup queryexecution.
- Aggregation Framework (Inbult Functions):
- Perform advanced data transformations and analysis.(avg() - E-Commarce 5-Star Rating Review System)
- Process data using multiple pipeline stages.
- Open Source and Community: (Copy and Create your Own Database, Expert Suggest Changes)
- Mongodb is Open Source with a Vibrant Community.
- Regular Updates, Improvements, and Support.
### `How Mongodb Works:`
- Frontend: Html, CSS, JS, React.js, Next.Js.
- Backend: Node.js, Express.js, Next.js, Python.
- Database: Mongodb Server, Storage Engine (WiredTiger or MMAPV1-❌), Read & Write Data Files operations on Database
### `JSON VS BSON:`
- json-> .json Format, Easy to READ & WRITE | bson-> .byte Binary Format, Not Easy to Read & Write.
- In MongoDb, We Write in Json Format only but behind the scenes data is Stored in BSON (Binary JSON) Format, A Binary representation of JSON.
- By Utilizing Bson, Mongodb can achive Higher read and Write Speeds, reduced Storage Requirements, and improved data manipulation capabibilities making it well-suited for handling large and complex datasets while maintaining performance effeciency.
### `Installing Mongodb:`
- [MongodB Community & Server](https://www.mongodb.com/try/download/community)
- [MongodB Shell & Playground](https://www.mongodb.com/try/download/shell)
- [MongodB Database Tools](https://www.mongodb.com/try/download/database-tools)
### `MAnaging Database In Mongodb:`
- Creating | Deleting Databases
- Creating | Deleting Collections
- You Won't see a database listed in the output of the show dbs command, until that database contain at least one collection with data in it.
### `Managing Databases & Collections:`
```bash
show dbs;
use ;
db.dropDatabase();
show Collections;
db.createCollection("");
db..drop();
```
### `MongoDb Databases & Collections Commands:`
```bash
show dbs;
admin 40.00 KiB
config 72.00 KiB
local 112.00 KiB
testapp1 96.00 KiB
show databases;
admin 40.00 KiB
config 72.00 KiB
local 112.00 KiB
testapp1 96.00 KiB
use students;
switched to db students
show collections;
db.createCollection("data");
{ ok: 1 }
show collections;
data
show databases;
admin 40.00 KiB
config 108.00 KiB
local 112.00 KiB
students 8.00 KiB
testapp1 96.00 KiB
db.data.drop();
true
show collections;
db.dropDatabase();
{ ok: 1, dropped: 'students' }
show databases;
admin 40.00 KiB
config 108.00 KiB
local 112.00 KiB
testapp1 96.00 KiB
```
- Delete ```node_modules``` Before Uploding on github.
- Download Project in your pc:
- Intialise ```node_modules``` in your project by using ```npm install``` command:
- This will install ```mongoose``` in your dependancies in ```package.json```:
- Download and Install MongoDb and It Will Automatically Start Your Server:
1. [MongodB Community & Server](https://www.mongodb.com/try/download/community)
2. [MongodB Shell & Playground](https://www.mongodb.com/try/download/shell)
3. [MongodB Database Tools](https://www.mongodb.com/try/download/database-tools)