... This papier presents an overview of SAADA, a tool designed to allow astronomers to easily create their own databases from archival files (images, spectra, tables, ...) or from imported data. ... Through an API, SAADA will be able to interoperate with external databases (using of VO standards). ... All SAADA-DBs rest on the same branches of a common data model, but have their own object layers (API and Web interface) and their own relational bases. ... The API has not been designed to load data. ...