Jan 29 · 2 min read · Shard means a small part of the whole, i.e., sharding is a process of dividing a database into smaller data partitions called shards. These shards are not only smaller, but they are also easier to manage, store, and query. Each shard typically holds ...
Join discussionJan 24 · 4 min read · If you’ve ever wondered how massive companies like Amazon or Netflix keep track of millions of customers and orders without losing their minds, the answer is the Relational Data Model. It sounds technical, but it’s actually a very logical way of orga...
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Jan 6 · 3 min read · Databases & SQL Basics: What I Learned on Day One Today I officially started my journey into databases and SQL. Instead of rushing into complex queries, I focused on understanding what databases actually are, how they’re managed, and how SQL is used ...
Join discussionJan 5 · 3 min read · ER Model Explained Simply When designing a database, we first need a clear understanding of real-world data and how it is connected. This is where the Entity–Relationship (ER) Model comes in. The ER Model is a conceptual data model. It works at the c...
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Oct 22, 2025 · 2 min read · Introduction to MySQL Definition and Overview: MySQL is an open-source relational database management system (RDBMS) that helps you store, organize, and manage data using tables. It uses a special language called SQL (Structured Query Language) to pe...
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Oct 15, 2025 · 6 min read · Hello everyone 👋 I started revising my database concepts through CodeHelp - by Babbar DBMS series,and one of his videos covered 50 SQL interview practice questions. I didn’t create these questions myself — they were provided in the video — but I dec...
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Aug 27, 2025 · 7 min read · Introduction This week, I started my journey into Database Management Systems (DBMS). Instead of just keeping notes to myself, I’ve decided to share my weekly learnings here so that others who are also studying DBMS can benefit from the same resource...
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Aug 22, 2025 · 4 min read · Database Management Systems (DBMS) are the backbone of modern software systems. Whether you're building a banking application, a social media platform, or a university portal, a DBMS plays a crucial role in storing, organizing, and managing data. In ...
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Jul 2, 2025 · 2 min read · Entity A thing in the world with independent existence. Maybe an object with physical existence (house, person) or conceptual existence(course, job) Attributes They are properties that describe entities Example - An entity “PERSON” can have attri...
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Mar 5, 2025 · 13 min read · What is MySQL? It's a Database Management System (DBMS). Think of it as software that helps you create, manage, and access databases. Specifically, MySQL is a Relational Database Management System (RDBMS). This means it organizes data into tables wit...
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