To get the DFF and KFF deifinition details from back end

Use the below query to get the DFF and KFF definition details from back end

select *
from fnd_descriptive_flexs
where application_table_name='RA_CUSTOMER_TRX_ALL'

select *
from fnd_descr_flex_column_usages
where descriptive_flexfield_name='RA_INTERFACE_HEADER'
and application_column_name='INTERFACE_HEADER_ATTRIBUTE1'