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Isolation in ACID

Leave a Comment / Database / By lahin

In this post we will understand how isolation works inside database.

Atomicity in ACID

Leave a Comment / Database / By lahin

Atomicity is the first principle of the ACID property. It is so important to know about that when you are designing database.

Continuous Deployment using GitHub Actions

Leave a Comment / JavaScript, System Design / By lahin

In this tutorial we will learn about Continuous Deployment for a Node(.js)/Express(.js) app inside EC2 instance using GitHub Actions. First create an EC2 instance with Ubuntu (linux) Operating System.

Integrate and run a Node and React application to AWS EC2 instance

Leave a Comment / Computer Networking, JavaScript, NodeJS, React / By lahin

In this blog post we will learn how to integrate a Node.js and a React app to AWS EC2 instance via NGINX server.

What is B-tree & B+ tree in DBMS?

2 Comments / Computer Science, Database / By lahin

In this post we will go through B-tree & B+ tree, how these fit in DBMS.

Understand Database Replication

Leave a Comment / Database, System Design / By lahin

Understand Database Replication is crucial task for both performance and reliability.

CIDR notation and Subnetting in AWS VPC

Leave a Comment / Computer Networking, Computer Science / By lahin

In this post we will learn about CIDR notation and Subnetting in AWS VPC

Primary Index and Cluster Index

Leave a Comment / Computer Science, Database / By lahin

In this post we will go through Primary Index, Cluster Index.

Database Indexing makes DB Query faster

4 Comments / Computer Science, Database / By lahin

Database Indexing is one of the most common technique to make database query faster. In this post we will learn about how indexing makes DB Query faster.

JavaScript Promise Tips & Tricks

Leave a Comment / JavaScript / By lahin

Understand some JavaScript Promise Tips & Tricks.

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