[samokhvalov]

There are various approaches here, and there are some FOSS tools that you can use.

Some links:

- https://blog.taadeem.net/english/2019/01/03/8_anonymization_... – description of methods, and a tool for Postgres, postgresql_anonymizer

- https://habr.com/en/company/yandex/blog/485096/ – not for Postgres, it's for ClickHouse (open-source DBMS for analytics) but covers the topic very well.