SQL

SQL (Structured Query Language) is a standard language for managing and manipulating databases. It is used to interact with relational database management systems (RDBMS) to retrieve, update, and manage data. SQL is essential for anyone who works with data, whether you're in data science, web development, or business intelligence. Let’s break down the fundamentals, step by step.

Table of Contents

1. What is SQL?
2. SQL Syntax Basics
3. Common SQL Commands
4. Filtering Data with WHERE
5. Sorting Data with ORDER BY
6. Grouping Data with GROUP BY
7. Combining Tables with JOIN
8. SQL Functions
9. Practice Exercises
10. Image Prompts for Visual Learning

1. What is SQL?

SQL is a language used to manage and manipulate databases. It allows you to:

• Create databases and tables
• Insert data into tables