---
title: "Mrigangka Datta (@mrigangkadatta) | Hashnode"
description: "just a developer. Read the latest articles by Mrigangka Datta on Hashnode."
url: "https://hashnode.com/@mrigangkadatta"
---

@mrigangkadatta

# Mrigangka Datta

@mrigangkadatta · Joined June 2024

just a developer

### [Aggregation and Pipelines](https://mrigangkadatta.hashnode.dev/aggregation-and-pipelines?utm_source=hashnode&utm_medium=feed)

Aggregation and pipelines are powerful concepts used to process and summarize data, especially in databases! Aggregation: the word aggregation means "the gathering of things together.".It's the same as here! Here, it means collecting and manipulati...

2 min read · [mrigangkadatta.hashnode.dev](https://mrigangkadatta.hashnode.dev/aggregation-and-pipelines?utm_source=hashnode&utm_medium=feed)

[Jul 1, 2024](https://hashnode.com/posts/aggregation-and-pipelines/668286b75df8f7ed91705d73)

### [Difference Between Access Token And Refresh Token ?](https://mrigangkadatta.hashnode.dev/difference-between-access-token-and-refresh-token?utm_source=hashnode&utm_medium=feed)

Understanding Tokens in Authentication Before diving into access tokens and refresh tokens, let's establish a clear understanding of what a token is in the context of authentication. Token: A token is a piece of data, typically a cryptographically s...

3 min read · [mrigangkadatta.hashnode.dev](https://mrigangkadatta.hashnode.dev/difference-between-access-token-and-refresh-token?utm_source=hashnode&utm_medium=feed)

[Jun 27, 2024](https://hashnode.com/posts/difference-between-access-token-and-refresh-token/667d1abe0c0375a0461c3c9e)