| Subject | English | Polish |
| comp., MS | external source system | zewnętrzny system źródłowy (A data repository, such as a data warehouse, data mart, or OLTP system, that is outside a specific deployment) |
| comp., MS | source system | system źródłowy (The system in which application and metadata reside before they are migrated to a different one) |
| comp., MS | System Data Source Name | systemowa nazwa źródła danych (A data source name that can be used by any process on the computer) |
| comp., MS | System Data Source Name | systemowa nazwa DSN (A data source name that can be used by any process on the computer) |