MySQL: Left Join for More Than Two tables

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　　1. Tables used

# 1. goods
select * from goods;
+----------+--------+------------+----------+
| goods_id | cat_id | goods_name | owner_id |
+----------+--------+------------+----------+
|        1 |      1 | CDMA Phone |        1 |
|        2 |      1 | GSM Phone  |        1 |
|        3 |      1 | 3G Phone   |        2 |
|        4 |      3 | TP Phone   |        1 |
+----------+--------+------------+----------+
# 2. cat
select * from cat;
+--------+---------------+
| cat_id | cat_name      |
+--------+---------------+
|      1 | Mobile Phone  |
|      2 | Settled Phone |
+--------+---------------+
# 3. owner
select * from owner;
+----------+------------+
| owner_id | owner_name |
+----------+------------+
|        1 | Davy       |
|        2 | Caly       |
|        3 | Jack       |
|        4 | Rose       |
+----------+------------+
　　
　　2. How to join those three tables together?
　　

#Possible attempt 1
select temp.*, owner.* from (select goods.*, cat.* from goods left join cat on goods.cat_id = cat.cat_id) as temp left join owner on temp.owner_id = owner.owner_id;
ERROR 1060 : Duplicate column name 'cat_id'
#Possible attempt 2
select temp.*, owner.* from (select goods.cat_id, goods.goods_name, goods.goods_id, cat.cat_name from goods left join cat on goods.cat_id = cat.cat_id) as temp left join owner on temp.owner_id = owner.owner_id;
ERROR 1054 : Unknown column 'temp.owner_id' in 'on clause'
#Possible attempt 3
select goods.cat_id, cat.cat_name, goods.goods_name, owner.owner_id, owner.owner_name from goods left join cat on goods.cat_id = cat.cat_id left join owner on goods.owner_id = owner.owner_id;
+--------+--------------+------------+----------+------------+
| cat_id | cat_name     | goods_name | owner_id | owner_name |
+--------+--------------+------------+----------+------------+
|      1 | Mobile Phone | CDMA Phone |        1 | Davy       |
|      1 | Mobile Phone | GSM Phone  |        1 | Davy       |
|      1 | Mobile Phone | 3G Phone   |        2 | Caly       |
|      3 | NULL         | TP Phone   |        1 | Davy       |
+--------+--------------+------------+----------+------------+
#Bingo!