Question

我有以下选择

SELECT *
FROM Movies
CROSS JOIN Countries 
WHERE Movies.ID = Countries.ID 
AND Countries.Country = 'South Korea' 
GROUP BY imdbID 
ORDER BY CAST(imdbVotes AS int) DESC
LIMIT 100

是否可以像这样在第三行添加多个OR条件？

AND Countries.Country = 'South Korea' OR 'Japan' OR 'China'

红利问题：我可以在限制查询的语句中设置限制为100部日本电影和100部韩国电影，但不是100部吗？

Answer 1

您可以使用IN：

AND Countries.Country IN ('South Korea', 'Japan', 'China')

或muiltiple ORs：

AND (Countries.Country = 'South Korea' 
 OR Countries.Country = 'Japan' 
 OR Countries.Country = 'China')

Answer 2

您可以像这样查询多个国家/地区值：

AND Countries.Country IN ('South Korea', 'Japan', 'China')

或者你可以这样做：

AND Countries.Country = 'South Korea'
    OR Countries.Country = 'Japan'
    OR Countries.Country = 'China'

SELECT语句中的多个条件

2 个答案: