如何使用MYSQL GROUP BY获取最后一行

Question

have two tables, table sets and chapters with MySQL table:

Table Series

ID_SERIES

NAME

DESCRIPTION

---

Table Chapters

ID_CHAPTERS

ID_SERIES

VIDEO

DATE_CREATED

---

As I can group all the chapters by id and give me back that I return in the last chapter, that way I do this query ?

thanks for reading.

Answer 1

Looking at your last comment your SQL should look like this:

SELECT * 
FROM VIDEOS 
    LEFT JOIN CHAPTER ON VIDEOS.ID_VIDEO = CHAPTER.ID_VIDEO 
GROUP BY CHAPTER .ID_VIDEO 
ORDER BY CHAPTER.DATE_CREATED DESC 
LIMIT 1;

The LIMIT 1 makes the query return just 1 row.