How does mysql realize the method of counting how many records are produced in a day?

This article mainly introduces how mysql realizes the method of counting how many records are produced in a day, which can be used for reference by friends who need it. I hope you will learn a lot after reading this article. Next, let the editor take you to learn about it.

Mysql's method of counting how many records are produced in a day is implemented using SQL statements with the code [SELECT date (reserve_begin_time), count (1) from brother_reserve group by date (.)].

Mysql's method of counting how many records are produced in a day:

SELECT date (reserve_begin_time), count (1) from brother_reserve group by date (reserve_begin_time) ORDER BY reserve_begin_time desc

The statistical results are as follows:

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