Thomas Liddle

Thomas Liddle is a seasoned database expert with over two decades of experience managing SQL Server, Oracle, and MySQL environments across industries including finance and technology. He has led major database consolidation and migration projects, and holds certifications from AWS, Microsoft, and CompTIA. His practical, real-world expertise drives the clarity and depth of The SQL Crash Course, which equips readers with essential skills through hands-on learning. When he's not optimizing databases, Thomas enjoys mentoring tech professionals and helping others break into the world of IT and data.