我有以下查询正常工作。
SELECT *
FROM (
SELECT *
FROM table
WHERE name IS NULL
ORDER BY date DESC
LIMIT 20
) AS T
ORDER BY date ASC;
我想要的是选择该 sql 选择查询的前 5 条记录。所以根据我阅读的帖子,我应该只需要添加前 5 个。请参见下面:
SELECT TOP 5 *
FROM (
SELECT *
FROM table
WHERE name IS NULL
ORDER BY date DESC
LIMIT 20
) AS T
ORDER BY date ASC;
不幸的是,mysql 告诉我存在语法错误,但我不明白。预先感谢您的答复。干杯。马克
最佳答案
只需添加另一个限制..
SELECT *
FROM (
SELECT *
FROM table
WHERE name IS NULL
ORDER BY date DESC
LIMIT 20
) AS T
ORDER BY date ASC
LIMIT 5;
关于mysql - SQL - 如何从内部语句中选择 TOP 5,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/10190244/