Hello, I've read the 10.x handbook, chapter 18.8. about the various encryption options. One question remains: If I encrypt a column, for example the birthdate of PII data, is this still searchable with SELECT * FROM table WHERE birthdate = 07.12.1955; Thanks matthias -- Matthias Apitz, ✉ guru@xxxxxxxxxxx, http://www.unixarea.de/ +49-176-38902045 Public GnuPG key: http://www.unixarea.de/key.pub May, 9: Спаси́бо освободители! Thank you very much, Russian liberators!