demystifying-data.hashnode.devOptimisation and Simultaneous Decision-MakingWhy It Matters Imagine you're planning a wedding with a fixed budget. You want great food, beautiful decor, and a memorable venue, but you can’t have everything at once. You need to optimise your choices and make simultaneous decisions that balance c...Nov 11, 2025·4 min read
demystifying-data.hashnode.devData Modelling & OptimisationEver wondered how apps like Zomato know your favourite cuisine, or how Netflix recommends shows you actually like? Behind the scenes, it’s all about how data is modelled, stored, and optimised. Let’s break it down. What Is Data Modelling? Imagine yo...Nov 11, 2025·5 min read
demystifying-data.hashnode.devData Models: From SQL to NoSQL to NewSQLWhy Do We Even Need Databases? Before diving into models, let’s talk purpose. A database isn’t just a storage box; it’s a system that ensures: Availability → Data is accessible to many users when required Integrity → Data is reliable, stored and re...Nov 11, 2025·3 min read
demystifying-data.hashnode.devBig Data Unpacked: The 5Vs, Scalability, and Why It All MattersEvery reel you scroll, every click, like, comment, share, or post you make, you’re generating data. And here’s the interesting part: this data is being created every millisecond, in massive amounts, and often in real time. That’s where the concept of...Nov 3, 2025·6 min read
demystifying-data.hashnode.devDemystifying Data: The Backbone of Modern IndustryWhat Is Data, Really? According to me, everything around us is data, the room I'm sitting in, its dimensions, the color of the walls, the number of doors and windows, fans, tube lights, everything. My study table, chair, and even the laptop I'm using...Nov 3, 2025·3 min read