How to Find the Latest Date for Each Group and All Models with the Latest Date in MySQL?

Get the latest date in the data of mysql grouping

To obtain the latest date of each model group, please use the following inquiries:

This query first group the row in the

SELECT model, MAX(date) AS latest_date
FROM doc
GROUP BY model;

line, and then find the maximum date in each group. The result is a table containing two columns: model (identifiable grouping) and doc (indicating the latest date of the group). model latest_date If you need to find all models with the latest date:

This query finds the same date as the latest date in the entire table.

SELECT model, date
FROM doc
WHERE date = (SELECT MAX(date) FROM doc);

<选> Other options

Scenes that need to obtain detailed information from each record that matches the latest date, you can use the following inquiries:

MySQL 8.0 and higher versions provides

clauses, which can provide faster results for larger data sets:

SELECT d.model, d.date, d.color, d.etc
FROM doc d
WHERE d.date = (SELECT MAX(d2.date) FROM doc d2 WHERE d2.model = d.model);

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