FastDataMasker (FDM) fails to mask table that doesn't have a primary key or unique index.
The following can be found in the log:
>2018-10-15 12:04:33.038 Table TABLE has no unique columns defined >2018-10-15 12:04:33.054 Updating may be unreliable and take a long time >2018-10-15 12:04:33.538 No primary key found for table "SCHEMA"."TABLE". >2018-10-15 12:04:33.538 exit value = 1
TDM
Test Data Manager
FDM
Fast Data Masker