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Programming Fundamentals

Introduction

Programming Fundamentals

Computer Networking
Computer Networking
- Basics
  Basics
- Physical Layer
  Physical Layer
- Datalink Layer
  Datalink Layer
- Network Layer
  Network Layer
- Transport Layer
  Transport Layer
  - Introduction
  - TCP / UDP
- Session Layer
  Session Layer
  - Introduction
- Presentation Layer
  Presentation Layer
  - Introduction
- Application Layer
  Application Layer
- Other Concepts
  Other Concepts
  - DNS
  - DHCP
  - Routers / Gateways
  - URL / URI
  - SSH / SSL
  - HTTP
  - URI
  - Important Questions
DBMS
DBMS
- Postgres
  Postgres
  - Commands
  - User / Roles
  - Database
  - Schemas
  - Data Types
  - Tables
  - Querying Data
  - Filtering Data
  - Joins
  - Grouping Data
  - Set Operations
  - Sub Querying
  - Modifying Data
  - Transactions
  - Constraints
  - PgSQL
  - Views
  - Trigger
  - Indexes
- Theory
  Theory
- Mongodb
  Mongodb
  - Introduction Introduction
    Table of contents
    
    Terminology
    
    Installation
  - Database
  - Collections
  - Inserting Documents
  - Read Operation
  - Importing Data
  - Comparison Operator
  - Cursors
  - Logical Operators
  - Complex Expressions
  - Elements Operator
  - Projections
  - Embedded Documents
  - Update Operations
  - Add/Remove/Rename Fields
  - Updating Embedded Documents
  - Delete Operation
  - Indexes
  - Aggregation
Operating System
Operating System
AWS
AWS
- Cloud Computing
  Cloud Computing
- Global Infrastructure
  Global Infrastructure
- Cloud Economics & Billing
  Cloud Economics & Billing
- Cloud Security
  Cloud Security
- Network Environment
  Network Environment
- Compute
  Compute
- Storage
  Storage
  - AWS EBS
  - AWS S3
  - AWS EFS
- Database
  Database
  - Amazon RDS
  - Amazon DynamoDB
- Scaling and Monitoring
  Scaling and Monitoring
- Caching Content
  Caching Content
  - Edge Caching
  - Elastic Cache
- Application Architecture
  Application Architecture
  - Decoupled Architecture
  - Serverless Architecture
DevOps
DevOps
- Nginx
  Nginx
- Docker
  Docker
- Deployment
  Deployment
  - Django EC2 Deploy
- Kubernetes
  Kubernetes
  - Introduction
  - Kubectl
  - Deployments
  - Yaml
Python
Python
- Basics
  Basics
  - About Python
- Variables
  Variables
- Functions
  Functions
  - Function
- Data Type
  Data Type
  - Numbers
  - String
  - List
  - Tuple
  - Dictionary
  - Sets
  - Difference
- Operators
  Operators
  - Operators
- Control Flow
  Control Flow
  - Decision Making
  - Loops
- OOPS
  OOPS
  - OOPS
- Exception Handling
  Exception Handling
  - Exception Handling
- Multithreading
  Multithreading
  - Multithreading
- Multiprocessing
  Multiprocessing
  - Multiprocessing
- AsyncIO
  AsyncIO
  - AsyncIO
- Type Hints
  Type Hints
  - Type Hints
- Decorator
  Decorator
  - Decorator
- Generator
  Generator
  - Generator
JavaScript
JavaScript
React
React
- Introduction
- Component LifeCycle
- Virual DOM
- Hooks
- HOC
- LazyLoading
- Redux
DSA
DSA
- Arrays

Introduction to MongoDB

Open Source, Document Oriented NoSQL Database Management System.
Document Oriented means it stores data in the form of BJSON document
It is scalable, flexible and supports unstructured and semi-structured database.

Terminology

A database contains multiple collections. Example: Student Collections, Teachers Collections, Courses Collections
A collection contains multiple documents in the form of BJSON. So, Mongodb is called document oriented database.
A document can be schemaless.
In mongodb we have a storage engine (Wired Tiger).

Installation

Download mongodb database server - https://www.mongodb.com/try/download/community
Download mongodb shell - https://www.mongodb.com/try/download/shell
Download mongodb database tool - https://www.mongodb.com/try/download/database-tools
Check the version of mongdb after downloading:

mongod --version

Now start the database server.

sudo service mongod start

Connect to the shell

mongosh

To show databases.

show dbs