我如何编码查询以产生mySQL VIEW＆＃39;库存＆＃39;从以下3个mySQL表中可以看到：
表：产品
product_id category_id brand
1 1 Aylmer
2 2 Ace
3 2 Weston
4 1 Campbell
5 3 Vachon
6 4 Hero
7 5 Lactancia
8 4 Welch
9 4 Bonne Maman
10 4 Smucker
表：类别
category_id name_en name_fr
1 soup soupe
2 bread pain
3 cake gateau
4 jam confiture
5 butter beurre
表： other_name
other_name_id category_id alternate_category
1 1 broth
2 1 stock
3 2 roll
4 2 bun
5 2 loaf
6 4 sweet spread
7 5 salty spread
查看：广告资源
product_id name_en name_fr brand alternate_categories
1 soup soupe Aylmer broth; stock
2 bread pain Ace roll; bun; loaf
3 bread pain Weston roll; bun; loaf
4 soup soupe Campbell broth; stock
5 cake gateau Vachon
6 jam confiture Hero sweet spread
7 butter beurre Lactancia salty spread
8 jam confiture Welsh sweet spread
9 jam confiture Bonne Maman sweet spread
10 jam confiture Smucker sweet spread
答案 0 :(得分：0)
带连接和一些聚合的简单查询
select p.product_id,
c.name_en,
c.name_fr,
p.brand,
group_concat(o.alternate_category separator '; ') alternate_categories
from product p
join category c on(p.category_id = c.category_id)
join other_name o on (c.category_id = o.category_id)
group by p.product_id