The website https://15445.courses.cs.cmu.edu/fall2020/ serves as the comprehensive course platform for 15-445/645 Introduction to Database Systems at Carnegie Mellon University during the fall semester of 2020. The course, catering to both undergraduate and graduate students, covers diverse topics such as data modeling, relational algebra, SQL, query processing and optimization, transaction management, and distributed databases. The website offers a wealth of resources, including lecture notes, slides, videos, assignments, and exams, facilitating a thorough understanding of the course material. Additionally, it provides essential information about the course staff, office hours, and policies. In sum, the website emerges as a valuable and extensive hub for students enrolled in the 15-445/645 course, offering a well-rounded learning experience for the specified semester at Carnegie Mellon University.