?Adrian Png is a seasoned solutions architect with over 20 years of experience working with clients to design and implement state-of-the-art infrastructure and applications. He earned a Master of Technology (Knowledge Engineering) degree from the National University of Singapore and is always eager to apply his knowledge and skills in machine learning. Adrian is also trained and certified in several Oracle technologies, including Oracle Cloud Infrastructure, Oracle Autonomous Database, Oracle Cloud-Native Services, Oracle Database, and Oracle Application Express. He is an Oracle ACE and a recognized contributor in the Oracle community. Most recently, he co-authored the Apress book Getting Started with the Oracle Cloud Free Tier. In his spare time, Adrian enjoys tinkering with electronics projects and 3D printing.Heli Helskyaho is the CEO for Miracle Finland Oy. She holds a master’s degree in computer science from the University of Helsinki and specializes in databases. At the moment she is working on her doctoral studies, researching and teaching at the University of Helsinki. Heli has been working in IT since 1990. She has held several positions, but every role has included databases and data. Heli believes that understanding your data makes using the data much easier. She is an Oracle ACE Director, and a frequent speaker at many conferences. She is the author of several books and has been listed as one of the TOP 100 influencers in the IT sector in Finland for each year from 2015 to 2021.