SQL Basics

SQL (Structured Query Language) is the foundation of working with databases. Whether you’re handling small datasets or managing large-scale applications, SQL helps in storing, retrieving, and manipulating data efficiently.

In this series, we will cover:

• Introduction to Databases and SQL
• Creating and Managing Tables in SQL
• Data Types and Constraints
• SELECT Queries and Filtering Data
• GROUP BY, HAVING, and ORDER BY
• SQL Joins (INNER, LEFT, RIGHT, FULL)
• Subqueries and Nested Queries
• UNION, INTERSECT, and EXCEPT
• Common Table Expressions (CTE)
• SQL Views and Stored Procedures

By the end of this series, you'll have a strong understanding of SQL fundamentals and be able to write efficient queries for real-world applications.