Book "Informational support, databases. H. 1”, created by a team of authors, is a fundamental and at the same time fascinating introduction to the world of modern information technologies and data storage systems. This book will become an indispensable assistant for students, beginners and anyone who seeks to understand how databases are arranged and how information systems ensure the effectiveness of modern enterprises and organizations. It reveals the key concepts, principles and methods underlying the construction and operation of information systems, which makes it relevant and in demand in the era of digitalization. The main idea of the book is to show how information systems and databases form the basis for data storage, processing and analysis in a variety of fields - from business and finance to medicine and public administration. The authors carefully analyze the architecture of databases, their structure, models and methods of implementation, which allows the reader to understand not only the theoretical foundations, but also the practical aspects of working with information systems. The book discusses in detail the design of databases, their optimization and security, which is especially important in today's world, where the protection of information becomes a priority. "Information support, databases. H. 1" is perfect for students of technical specialties, as well as specialists starting their way in the field of information technology, programming and system analysis. This book will be interesting for those who want to expand their knowledge of modern data storage technologies, understand how database management systems (DBMS) work, and learn how to apply this knowledge in practice. In addition, it can be a good tool for teachers and professionals involved in the development and implementation of information systems. The style of presentation of the authors is distinguished by clarity and logical consistency, which makes complex technical topics accessible and understandable even for beginners. The book uses numerous examples, diagrams and illustrations that help to better understand the material and see real-world scenarios for database applications. The authors are not limited to dry definitions - they immerse the reader in the dynamic and constantly evolving world of information technology, showing how theoretical knowledge turns into practical skills. Special attention is paid to modern trends in the field of information support, such as cloud databases, big data and process automation. This makes the book especially relevant for those who want to stay up to date with the latest innovations and trends. In general, "Information support, databases. H. 1" is not just a textbook, but a guide to the world of data, which will open new horizons for those who seek to understand how the information infrastructure of the modern world works If you are looking for a book that will help you understand the basics of working with databases, teach you how to design effective information storage and processing systems, and prepare for further professional development, then this book is exactly what you need. It can be compared to other popular publications on information technology and databases, such as “Database Basics” or “Information Systems Design”, but the uniqueness and completeness of the material make it a particularly valuable resource. As a result, "Information support, databases. H. 1" is not just a tutorial, but a key to understanding modern information technologies that will open doors for you to the world of data and automation systems This book is your reliable companion on the way to professional growth and the development of new competencies necessary in the era of the digital revolution.