The ClickHouse Academy contains free, on-demand learning for database experts who need to understand and use ClickHouse effectively.
The course catalog is available here: https://learn.clickhouse.com/visitor_class_catalog/
We mostly use this repository for lab solutions. Using GitHub allows us to easily share and update these solutions, including the ability for anyone to create a pull request to contribute fixes and changes.
If you see an issue or error in the labs, please reach out to us at learn@clickhouse.com or feel free to simply create a pull request!