The workflow in data archiving is explained by using the information system PANGAEA© as an example. PANGAEA is an information system, operated as Open Access library for georeferenced data from basic research on earth and environment. Scientific primary data are archived with related metainformation and are distributed via webservices and accessible through various clients. An introduction is given on how to find data, how to compile larger data collections and finaly how to use visualization software to present those data. The required technology in the background is briefly explained (relational database, data warehouse, backup).