SQL Free Notes for Placement is a comprehensive and easy-to-understand guide that covers all the important concepts and topics related to SQL that are crucial for clearing placement interviews. This resource provides detailed explanations, examples, and practice questions to help students prepare effectively for interviews and excel in their placements. Whether you are a beginner looking to learn SQL from scratch or a seasoned professional aiming to brush up on your skills, these free notes will serve as the perfect study companion. With this handy resource at your disposal, you can master SQL concepts, improve your problem-solving abilities, and boost your confidence for placement exams and interviews.