Databases form the cornerstone of every modern digital application, from business information systems to data science and artificial intelligence. This book offers a comprehensive and contemporary introduction to database design, implementation, and management, combining theory with practice.
The reader starts with the fundamental principles of the relational model and conceptual design using Entity–Relationship diagrams, learns step-by-step the SQL language, and becomes familiar with techniques of normalization, optimization, and transaction management. Additionally, modern systems such as PostgreSQL, MySQL, and NoSQL databases are presented, as well as their integration with Python and R languages for developing real-world applications.
With hundreds of fully executable examples, detailed exercises, annotated solutions, and practical scenarios, the book is a valuable resource for students, educators, developers, and any reader seeking to acquire solid knowledge and practical skills in databases, from design to the development of complete applications.
