求写一SQL语句
本帖最后由 xuz0917 于 2013-04-14 15:29:26 编辑 表company
id city top
1 北京,上海 北京
2 济南,石家庄 济南
3 北京 北京

排序规则：
1、搜索“北京”列出`city`中有“北京”的;
2、`top`中有“北京的靠前”;
3、`id`从大到小排列 SQL mysql sql排序 php
[解决办法]

select * from company where city like '%北京%' and top like '北京' order by id desc union select * from company where city like '%北京%' and top not like '北京' order by id desc
[解决办法]

select * from company where city like '%北京%' and top like '北京' order by id desc union select * from company where city like '%北京%' and top not like '北京' order by id desc 

SELECT *
FROM test
WHERE city LIKE '%北京%'
ORDER BY (
top LIKE '%北京%'
) DESC , id DESC