如何正确编写这个mysql查询？

Question

如何正确编写这个mysql查询？

SELECT order_id FROM order_details WHERE tracking_id = substr('420342389400110200882112625820',-LENGTH(tracking_id))

查询应与tracking_id匹配42034238 9400110200882112625820

提前致谢

Answer 1

尝试使用RIGHT功能：

SELECT order_id
FROM order_details
WHERE tracking_id = RIGHT('420342389400110200882112625820',LENGTH(tracking_id))

Answer 2

SELECT order_id
FROM order_details
WHERE tracking_id = RIGHT('420342389400110200882112625820',LENGTH(tracking_id))

  

MySQL RIGHT（）从右侧提取指定数量的字符   一边的字符串。

参考MySQL RIGHT()