PowerCenter
- PowerCenter 10.5
- All Products
Modification
| Result
|
---|---|
Add a column. | Mappings are not invalidated. |
Change a column datatype. | Mappings may be invalidated. If the column is connected to an input port that uses a datatype incompatible with the new one, the mapping is invalidated. |
Change a column name. | Mapping may be invalidated. If you change the column name for a column you just added, the mapping remains valid. If you change the column name for an existing column, the mapping is invalidated. |
Delete a column. | Mappings can be invalidated if the mapping uses values from the deleted column. |