Kubuntu no longer ships with a default database application, however you have to options in which to choose from.
OpenOffice.org Base це програма баз даних, створена розробниками пакету програмOpenOffice.org. OpenOffice.org Base знаходяться у Головному репозиторію. Будь-ласка відвідайте Додавання Програм документації для допомоги в установці.
Kexi is your choice for a database application. Kexi is part of the KDE KOffice suite and tends to integrate better within KDE. Kexi is in the Main repository. Please refer to the Adding Applications documentation for help on installation.
It is recommended you try both applications in order to see which one works best in your situation.