I will second James, and add that the folks to do this would be AC staff.
Having written all kinds of special tools for DB manipulation, to effectively accomplish a merge/de-dupe/PK-FK unique check requires a detailed knowledge of the data model, as well as PK-FK relationships, esp. if the relationships are code enforced rather than DB enforced.
There are whole books written about how to do these things; this is not nearly as simple as it might appear.