| Subject | English | German |
| IT | data extension | Nebenstelle für Datenübertragung |
| comp., MS | data extension | Datenerweiterung (A plug-in that processes data for a specific kind of data source. For example, Microsoft OLE DB Provider for DB2) |
| comp., MS | data mining extension | Data Mining-Erweiterung (In Analysis Services, a statement that performs mining tasks programmatically) |
| comp., MS | data processing extension | Datenverarbeitungserweiterung (A plug-in that processes data for a specific kind of data source (similar to a database driver)) |
| IT, el. | extension of the data base | Instanz des Datenbankinhalts |
| IT, el. | extension of the data base | Inhalt der Datenbank |