The Facebook Adapter supports standard SQL joins like the following examples.

Inner Join

An inner join selects only rows from both tables that match the join condition:

SELECT u.Name, u.Gender, u.Birthday, p.Type, p.LikesCount, p.SharesCount FROM Users u INNER JOIN Posts p ON u.Id = p.FromId

Left Join

A left join selects all rows in the FROM table and only matching rows in the JOIN table:

 SELECT u.Name, u.Gender, u.Birthday, p.Type, p.LikesCount, p.SharesCount FROM Users u LEFT JOIN Posts p ON u.Id = p.FromId