SQL Practice

SQL Learning Center

Master SQL with comprehensive theoretical knowledge and practical examples

Getting Started
New to SQL? Start with the fundamentals

SQL (Structured Query Language) is a standard language for managing and manipulating relational databases.

  • Understand database concepts and terminology
  • Learn basic SQL syntax and structure
  • Practice with real-world examples
Start Learning
Learning Path
Follow a structured curriculum to master SQL

SQL Basics

SELECT, FROM, WHERE, ORDER BY

BeginnerLearn

JOIN Operations

INNER, LEFT, RIGHT, FULL, CROSS

BeginnerLearn

Aggregate Functions

COUNT, SUM, AVG, GROUP BY, HAVING

IntermediateLearn

Subqueries

Nested queries, IN, EXISTS

IntermediateLearn

Set Operators

UNION, INTERSECT, EXCEPT

IntermediateLearn

Conditional Expressions

Using CASE for if/else logic

AdvancedLearn

Common Table Expressions

Simplifying queries with WITH

AdvancedLearn

Window Functions

ROW_NUMBER, RANK, LEAD, LAG

AdvancedLearn
Practice What You Learn