1)all details from user_message
SELECT * FROM user_messages WHERE userid = <userID> AND messageid = <messageID>;
2)last 10 comments related to messageid in ascending order from comments table
(one message can have multiple comments)which includes comment_id ,comment,
comment_date,and details of commented_by(fname,lname,small_pic_path).
SELECT a.comment_id, a.comment, a.comment_date, b.fname || b.lname || c.small_pic_path "Commented by"
FROM comments a, smusers b, profile_pic c, user_messages d
WHERE d.messageid = <messageID>
AND d.userid = b.id
AND b.id = c.userid
ORDER BY comment_date
LIMIT 0, 10;
3)all small_pic_path from post_images(one message can have multiple images),
SELECT small_pic_path
FROM post_images;
4)total likes from like table,
SELECT * FROM likes;
5)all details (smsusers.*,profile_pic.*) of sentby
You have not posted the structure of sentby