You have the right to a faithful and intelligible copy of all your personal data, even full documents or extracts from documents or databases, if that's crucial for your rights and while respecting others' rights and freedoms.
You have the right of access to data processed before the GDPR took effect, if you requested it after that date, and to know when and why it was accessed—but not by whom, unless crucial for your rights and while respecting others' rights and freedoms.