SQL (Structured Query Language) Basics – A Beginner’s Guide, Study notes of Computer Science

This document provides a comprehensive introduction to SQL (Structured Query Language), the standard language used to interact with relational databases. Designed for beginners, it covers the foundational concepts and essential commands required to retrieve, manipulate, and manage data stored in database systems. This document aims to build a strong foundation in SQL for students, beginners in data science or software development, and anyone looking to understand how databases are queried and managed using SQL.