SQL 手册SQL 函数日期函数to_days本页总览to_daysto_daysdescriptionSyntaxINT TO_DAYS(DATETIME date)返回date距离0000-01-01的天数参数为Date或者Datetime类型examplemysql> select to_days('2007-10-07');+-----------------------+| to_days('2007-10-07') |+-----------------------+| 733321 |+-----------------------+keywordsTO_DAYS,TO,DAYS