Databases and Knowledge Bases (CP 09.) 03. 02)”, created by a team of authors, is an important work that immerses the reader in the world of information technology, namely in the field of data and knowledge management. This publication will become an indispensable assistant for students, graduate students, specialists and anyone interested in modern approaches to the design, creation and use of databases and knowledge databases. From the first pages of the book, the reader finds himself in an exciting journey through the basics and modern trends in the field of databases. The authors examine in detail both traditional relational databases and new approaches, such as NoSQL and knowledge bases, which are becoming increasingly relevant in the context of the rapid growth of information volumes. The book not only explains the theoretical aspects, but also offers practical examples, which makes the material accessible and understandable even for those who are just starting their way in this field. Who can like this edition? First of all, the book is addressed to students and teachers of the faculties of information technology, computer science and related specialties . However, it will also be of interest to practitioners working in the field of software development, database administration and information management. If you want to deepen your knowledge in the field of database design and optimization, as well as understand how to effectively use knowledge bases to solve practical problems, this publication will be a real find for you. The topics raised in the book cover a wide range of issues, from the basics of database design to complex algorithms for data processing and analysis. The authors emphasize the importance of the correct data structure, which is a key aspect for the successful functioning of any information system. Data security issues are also considered, which in today's world is becoming especially relevant. The book emphasizes that data management is not only a technical task, but also an important aspect of strategic management in organizations. The style of the authors can be described as accessible and informative. They strive to convey complex concepts in simple language, which allows the reader to easily absorb material. The book contains illustrations and diagrams that help to visualize information and better understand the processes described. This approach makes reading not only useful, but also fascinating. In addition, the team of authors includes specialists with extensive experience in the field of information technology, which adds additional value to the book. Their previous work and research in this field is internationally recognized, and this builds confidence in the material presented. Readers familiar with their other works will appreciate the consistency and depth of the presentation, which became the hallmark of this author's team. If you are looking for a high-quality tutorial on databases and knowledge bases, which will help you not only to master the theory, but also to apply the knowledge gained in practice, the book "Databases and Knowledge Bases (CP 09.) 03. 02)" will be a great choice for you. It will not only enrich your knowledge, but also inspire new ideas and projects in the field of information technology. Do not miss the opportunity to become part of this fascinating world, where data and knowledge become the basis for important decisions and successful development.