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MySQL EXTRACT() 函数

❮ MySQL 函数

示例

从日期中提取月份

SELECT EXTRACT(MONTH FROM "2017-06-15");
亲自尝试 »

定义和用法

EXTRACT() 函数从给定的日期中提取一部分。

语法

EXTRACT(part FROM date)

参数值

参数 描述
part 必需。要提取的部分。可以是以下之一
  • MICROSECOND
  • SECOND
  • MINUTE
  • HOUR
  • DAY
  • WEEK
  • MONTH
  • QUARTER
  • YEAR
  • SECOND_MICROSECOND
  • MINUTE_MICROSECOND
  • MINUTE_SECOND
  • HOUR_MICROSECOND
  • HOUR_SECOND
  • HOUR_MINUTE
  • DAY_MICROSECOND
  • DAY_SECOND
  • DAY_MINUTE
  • DAY_HOUR
  • YEAR_MONTH
date 必需。要提取一部分的日期

技术细节

工作在 从 MySQL 4.0

更多示例

示例

从日期中提取星期

SELECT EXTRACT(WEEK FROM "2017-06-15");
亲自尝试 »

示例

从日期时间中提取分钟

SELECT EXTRACT(MINUTE FROM "2017-06-15 09:34:21");
亲自尝试 »

示例

从日期时间中提取年份和月份

SELECT EXTRACT(YEAR_MONTH FROM "2017-06-15 09:34:21");
亲自尝试 »

❮ MySQL 函数

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