Axisbase is a standalone application that can create and manage databases. it includes its own database, it may be a lighter alternative to FileMaker or to Microsoft Access that may be a solution for a small database management, since is free.
Is a database server that has its own interface. You can use it for basic purposes, to track sales, inventory etc. You can set users, assign roles, import XML files.
Also offers a number of demo database files. You may give it a try, since is completely free.