Q&A for computer graphics researchers and programmers
SELECT distinct Users.Id [User Link], users.DisplayName, Users.Location, Tags.tagname FROM Users INNER JOIN Posts ON Posts.OwnerUserId = Users.Id INNER JOIN PostTags ON PostTags.TagId = Posts.ParentId INNER JOIN Tags ON PostTags.TagId = Tags.id WHERE Tags.tagname like '%php%' AND LOWER(Users.Location) = 'slovakia'