Q&A about the Stack Exchange Network
-- Show high-scoring questions and who wrote them.
-- The JOIN specifies the matching value (owner ID on a post = user ID).
-- This is how SQL connects entries in multiple tables.
-- With the addition of JOIN we now need to say which table each column
-- comes from in the SELECT statement; note the prefixes.
SELECT p.Title, p.Id, p.Score, p.ViewCount, u.DisplayName
FROM Posts p
JOIN Users u ON p.OwnerUserId = u.Id
WHERE p.PostTypeId = 1
AND p.Score >= 25