Networking technologies and databases . At 2 p.m.. H. 1. Basics of work with relational databases and DBMS" by O. A. Lavrenova is an indispensable guide to the world of modern information technologies, which will be an excellent assistant for both novice specialists and experienced professionals. In the first part of this two-volume edition, the author is deeply immersed in the basics of working with relational databases and database management systems (DBMS), revealing the key concepts and principles that underlie effective data management. The book begins with an explanation of what relational databases are and why they have become the standard in the world of information technology. Lavrenov not only describes theoretical aspects, but also offers practical examples that help the reader better understand how to apply the knowledge gained in practice. He shares the secrets of database design, explains how to properly organize the data so that it is accessible and easy to process. The reader will learn about important topics such as data normalization, creating and using tables, working with queries and much more. This book will be of interest to a wide range of readers: students of technical specialties, graduate students, as well as anyone who wants to deepen their knowledge in the field of databases and network technologies. If you are planning a career in IT, software development or database administration, Network Technologies and Databases will be a great start for you. In addition, the book will be useful to those who already work in this area and want to refresh their knowledge or learn new tools and approaches. The topics raised in the book cover not only the technical aspects of working with databases, but also important issues of design and architecture of information systems. Lavrenov focuses on how to properly organize data to ensure their integrity and security, which is critical in today's world, where information is becoming one of the most valuable resources. It also addresses the issues of optimizing queries and improving system performance, making the book relevant to anyone who seeks efficiency in their work. The author's style is characterized by accessibility and clarity of presentation. Lavrenov is able to explain complex concepts in simple and understandable language, which makes his books especially valuable for beginners. In addition to this work, he is also known for his other publications on network technology and programming, which have received positive reviews from readers. If you are looking for a book that will help you understand relational databases and DBMS, as well as give you the practical skills you need to successfully work in the IT field, then “Network Technologies and Databases. At 2 p.m.. H. 1. Basics of working with relational databases and DBMS" is exactly what you need. Do not miss the opportunity to immerse yourself in the fascinating world of technologies that shape our future, and discover new horizons in the study of databases.