The goal of the research seminar is to teach the students the basics of scientific research and a basic knowledge of the inner mechanics of in-memory databases. The seminar is focused on advanced topics for columnar in-memory database systems on modern hardware. Hence, each student will work individually on a topic, resulting in a final paper (6-8 pages, IEEE) in addition to a midterm and final presentation. The topics vary from optimized data structures for in-memory database to general database concepts (e.g., transaction handling, memory tiering). Each topic will have an implementation component, which should be implemented and closely evaluated in the resulting paper.