Overcoming ambiguous field error in SQL query

Question

I have 4 tables and this query

SELECT tag.id, title
FROM tag
LEFT JOIN tag_map ON ( tag.id = tag_map.tag_id ) 
LEFT JOIN post ON ( post.id = post_id ) 
LEFT JOIN         


        

Answer 1

SELECT 
tag.id, 
tag_map.title as tagmaptitle,
post.title as posttitle,
game.title as gametitle,
video.title as viedotitle,
FROM tag
LEFT JOIN tag_map ON ( tag.id = tag_map.tag_id ) 
LEFT JOIN post ON ( post.id = post_id ) 
LEFT JOIN game ON ( game.id = post_id ) 
LEFT JOIN video ON ( video.id = post_id ) 
WHERE tag_slug =  "blizzard"
ORDER BY tag_map.post_type