Datomic offers excision to cover cases like these (or other common cases where you are required by law to forget things). http://blog.datomic.com/2013/05/excis

Datomic offers excision to cover cases like these (or other common cases where you are required by law to forget things). http://blog.datomic.com/2013/05/excision.html http://blog.datomic.com/2013/05/excision.html