A schema change includes one or more of the following changes:

Fields are added.
Fields are deleted.
Fields are renamed.
Field data type, precision, or scale is updated.

Data Integration

updates the schema for data objects with connectors which support dynamic schema handling. A connector that supports dynamic schema handling in mapping tasks supports this functionality in dynamic mapping tasks. You can configure the applicable dynamic schema handling options similar to in a mapping task. To see if a connector supports dynamic schema change handling, see the help for the appropriate connector.

Data Integration

does not update the schema for hierarchical data objects.

If you update fields in the source object, be sure to update the Target transformation field mapping.

Data Integration

writes Null to the target fields that were previously mapped to the renamed or deleted source fields.