There are three types Data Objects
| Name | Explanation | example |
|---|---|---|
| Master | Master objects are owned and managed by its Master application. | Typical examples include: the “Customer” data object is owned by the “CRM”. |
| Secondary | Secondary data objects, are objects that sent through a data exchange, and that are not a master data of the receiving application. | A data warehouse typically receives a lot of data objects through various data exchanges. Note, that a data warehouse can also be master of certain data. |
| Ghost | When a data object is exchanged between application A and B, and application A is not its master, then we consider it ghost data. This is a probably either an error, or a remnant. |
Keep track of all these Data Objects on an