Learn SQL by Examples: Examples of SQL Queries and Stored Procedures for Mysql and Oracle: 1 by Sergey Skudaev

Sergey is a software quality tester and web developer with more than two decades of experience in computer technology and over 34 years of life in the United States. His journey into programming began in 1996 with Visual Basic, sparking a passion that led him to study Computer Science at Borough of Manhattan Community College. Since then, he has specialized in PHP, Oracle, and SQL, with a strong grasp of both front-end and back-end development. Before entering the world of programming, Sergey built a career as a university lecturer and researcher in neurophysiology. This unique background gives him a deep understanding of how people learn and allows him to teach complex technical topics with clarity, structure, and empathy. He believes that anyone with basic logical thinking—like organizing a cluttered garage—can become a successful programmer. Sergey is the author of several hands-on guides designed to make programming accessible and enjoyable. He invites readers to explore his books, apply what they learn, and share their experience through a review.