Universal Cache User Guide : IBM InfoSphere CDC for solidDB® reference : Conflict resolution audit table : Unaudited data types
  
Unaudited data types
The audit table does not include columns of the following data types in its images:
IMAGE
NTEXT
TEXT
If the source or target table contains rows with these data types, then the image simply overlooks them. Binary data will appear in the images as hex-encoded characters. The image does not store any information from unsupported columns.
See also
Conflict resolution audit table