For a labratory I need an inventory database. The database itself is pretty simple and would typically contain only 3 tables. One with the chemicals, one with the boxes (location) and the third one with tubes. The tubes should be generated from a chemical and stored in a box until use. So the most important actions for the users are: - Add a new chemical - Create a new tube from a chemical - Use a tube Please find an additional chart attached. Please do not hesitat to contact me for further information.