Jonathan Lewis

Jonathan Lewis, a renowned expert in database performance and management, joined the Oracle User Group in 1998. His expertise in providing valuable insights on Oracle database systems helped elevate the understanding and capabilities of the community. Over the years, Jonathan has contributed significantly by authoring numerous articles, books, and presenting at conferences, influencing best practices among Oracle professionals.

In 2009, Jonathan Lewis released his influential book 'Cost-Based Oracle Fundamentals', which provides an in-depth analysis and explanation of how the cost-based optimizer works within Oracle databases. The work is praised for its clear and thorough presentation of complex concepts, making it a vital resource for database administrators and developers seeking to optimize their Oracle systems' performance.

In 2013, Jonathan Lewis was awarded the title of Oracle ACE Director for his outstanding contributions to the Oracle community. This prestigious recognition is given to individuals who have demonstrated exemplary knowledge and have significantly influenced the advancement of Oracle technologies. As an Oracle ACE Director, Jonathan continues to share his expertise through teaching, authoring, and presenting at key industry events.

Jonathan Lewis was a keynote speaker at the UK Oracle User Group (UKOUG) conference in 2017. During his keynote, he addressed some of the critical challenges and best practices in Oracle database management and optimization. His insights and practical advice on dealing with complex database environments were invaluable to the attendees, emphasizing his stature as a thought leader in the Oracle community.

In 2019, Jonathan Lewis made a guest appearance on the 'Ask TOM' live webcast, a popular series hosted by members of the Oracle community. Jonathan discussed advanced Oracle database techniques, answered questions, and provided insights into performance tuning and troubleshooting complex issues. The session was well-received, showcasing Jonathan's ability to convey technical information accessibly and engagingly.

Jonathan Lewis published 'Oracle Core: Essential Internals for DBAs and Developers', a book that delves deeply into the internal mechanics of Oracle databases. The book is considered essential reading for anyone working with Oracle systems, as it provides comprehensive insights into understanding and managing database operations, leveraging Jonathan's extensive experience and knowledge in the field.

In 2022, Jonathan Lewis hosted a widely attended webinar on Oracle performance tuning, offering his expert guidance on identifying and resolving common performance issues. Attendees benefited from his deep understanding of Oracle's internal workings and learned practical approaches to enhance database efficiency. The webinar further solidified Jonathan's role as a leading authority in Oracle performance optimization.

Jonathan Lewis contributed a series of articles to the Oracle Community Blog in 2023, where he shared advanced tips and insights on Oracle database management. His contributions are highly valued for their depth and clarity, offering readers practical advice grounded in real-world experience. This continues to demonstrate Jonathan's commitment to educating and empowering the Oracle user community.