https://www.databaseday.de/news/2025-04-22_hello_world.html 2025-04-22T19:59:00+00:00 https://www.databaseday.de/news/2025-07-09_peter_boncz.html 2025-07-09T19:59:00+00:00 https://www.databaseday.de/news/2025-08-20_callforabstracts.html 2025-08-20T19:59:00+00:00 https://www.databaseday.de/news/2025-10-28_announce_program.html 2025-10-28T19:59:00+00:00 https://www.databaseday.de/ https://www.databaseday.de/call-for-abstracts/ https://www.databaseday.de/news/ https://www.databaseday.de/participation/ https://www.databaseday.de/program/