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title, language
title language
hour zh-CN

hour

description

Syntax

INT HOUR(DATETIME date)

获得日期中的小时的信息,返回值范围从0-23。

参数为Date或者Datetime类型

example

mysql> select hour('2018-12-31 23:59:59');
+-----------------------------+
| hour('2018-12-31 23:59:59') |
+-----------------------------+
|                          23 |
+-----------------------------+

##keyword HOUR