Knowledge
Develop Postgres hacker skills
Get involved to Postgres community and contribute to Postgres; be a useful member of Postgres, and the open source community; use personal experience to help other people.
Skillsets
Skyeng PostgreSQL DBA
by Artem Naumenko (slack2)
Materials
If you know useful resource, that helps to get this skill, please, spare a minute and add the link
Question
Questions are very useful when trying to understand if you know the subject
Do you know that ...?
Any useful or interesting facts about the skill. Any peace of information would be useful