The discussion on this book is done gradually, so it is hoped that the readers will have enough skills or ability to implement database solutions according to the needs in the field.
Hopefully this book can be another alternative as a learning resource for exercises, tutorials, or a reference for those who want to learn SQL and PL/pgSQL programming in the PostgreSQL database.
The author has several certifications in the field of Python (PCEP, PCAP), in the field of AI (IBM RAG & Agentic AI, and in the fields of IBM Data Analyst and IBM Data Science. For certifications, Microsoft has several certifications including Microsoft Azure Data Scientist, MOS, and MTA. The author has also won the Microsoft Most Valuable Professional (MVP) award in the range of 2009 to 2016. Meanwhile, in the field of training, the author has had MCT (Microsoft Certified Trainer) certification since 2008-2019.