"Database Design and Implementation" by Edward Sciore is also a very great read with a lot of examples written in Java (actually a small DBS). For actual rese

"Database Design and Implementation" by Edward Sciore is also a very great read with a lot of examples written in Java (actually a small DBS). For actual research I'd recommend all stuff from Andy (Pavlo), Viktor Leis, Thorsten Grust, Thomas Neumann...