How can I get friendship details in Facebook Graph API?

Question

How can I get a friendship detail for two people? So for example in the web it will be:

http://www.facebook.com/?and=
         


        

Answer 1

Getting the photos where two (or more) users are tagged in:

SELECT pid, src_big FROM photo 
    WHERE pid IN(
          SELECT pid FROM photo_tag WHERE subject=me()) 
      AND pid IN(
          SELECT pid FROM photo_tag WHERE subject=FRIEND_ID)
      AND pid IN(
          SELECT pid FROM photo_tag WHERE subject=ANOTHER_FRIEND_ID)
      ...