mysql - Mysql MAX值和Last Record同时

Question

如果您有包含 2 个字段的表：

身份证 | 数量

您如何使用 1 个查询获得最大（AMOUNT）和最后输入的记录的数量（按 id desc 排序）？

感谢您

Answer 1

select amount as last_amount, 
      (select max(amount) from your_table) as max_amount
from your_table
order by id desc
limit 1

Answer 2

你可以这样做：

SELECT
    (SELECT MAX(amount) FROM table) as Max,
    (SELECT amount FROM table ORDER BY id DESC LIMIT 1) as Last