https://www.alibabacloud.com/blog/postgresql-graph-search-practices---10-billion-scale-graph-with-millisecond-response_595039 https://www.alibabacloud.com/blog/

https://www.alibabacloud.com/blog/postgresql-graph-search-practices---10-billion-scale-graph-with-millisecond-response_595039 https://www.alibabacloud.com/blog/postgresql-graph-search-pr... Can use these techniques on top of typical, existing relation model tables as well. Consider a join table, or even a polymorphic join table, that gives you the edges. But you can use unions and stuff to join up data across various tables. Can get really creative with it.