Database System Concepts, Avi Silberschatz, Henry F. Korth, S. Sudarshan, 2019 (McGraw-Hill) - A widely recognized and comprehensive textbook for introductory and advanced database courses, covering fundamental concepts, design, and implementation, including various applications.
6.830: Database Systems, Fall 2010, Samuel Madden, Robert Morris, Michael Stonebraker, Carlo Curino, 2010 (MIT OpenCourseWare) - MIT's course materials on database systems, offering lectures and notes on database fundamentals, design, and application contexts relevant to modern data management.