如何获得评级desc订购的记录

Question

我有两张桌子，即宿舍和评级。如何通过两个表的评级显示记录顺序。我可以请求您对此进行一些了解

|------------------------------|------------------------------------|
|       hotel table is         |      rating table is               |
|------------------------------|------------------------------------|
|post_id  | user_id  | hostel  |r_id |  user_id | post_id  | rating |
|   1     |     2    |  xyz    |  2  |   2      |   1      |   5    |
|   3     |     4    |  abc    |  4  |   4      |   1      |   3    |
|   5     |     6    |  ijk    |  5  |   6      |   6      |   4    |
|   6     |     7    |  pqr    |  6  |   7      |   6      |   5    |
|   8     |     8    |  mno    |  7  |   8      |   5      |   5    |
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Answer 1

尝试以下查询：

$query = "SELECT * FROM hotel inner join rating ON hotel.post_id = rating.post_id ORDER BY rating.rating DESC";

Answer 2

这样的事情：

select *
from hotel h join rating r
using (post_id, user_id)
order by rating desc;

Answer 3

$query = "SELECT * FROM hotel_table 
LEFT JOIN rating_table ON hotel_table.post_id = rating_table.post_id 
ORDER BY rating_table.rating DESC";

试试这个