Welcome to SQL Fundamentals!
All you need to get started with this course is a working internet connection and enthusiasm to learn. SQL (Structured Query Language) is the standard language for managing and manipulating databases.
What is SQL?
SQL stands for Structured Query Language. It's used to:
- Query data from databases
- Insert new records
- Update existing data
- Delete records
- Create and manage database structures
Why Learn SQL?
SQL is essential for:
- Data analysts and scientists
- Backend developers
- Database administrators
- Business intelligence professionals
- Anyone working with data
Course Structure
This course covers:
- Basic Queries - SELECT, WHERE, filtering
- Sorting & Limiting - ORDER BY, LIMIT
- Aggregate Functions - COUNT, SUM, AVG, MAX, MIN
- Grouping - GROUP BY, HAVING
- Joins - INNER, LEFT, RIGHT, FULL, SELF
- Subqueries - Nested queries
- Table Management - CREATE, ALTER, DROP
- Data Manipulation - INSERT, UPDATE, DELETE
Let's begin your SQL journey! 🚀