Mysql数据库中添加系统时间常用函数
select now() as Systime1; 显示格式:2019-02-27 23:34:23
select current_date as Systime2; 显示格式:2019-02-27
select sysdate() as Systim3; 显示格式:2019-02-27 23:34:24
select now() as Systime1; 显示格式:2019-02-27 23:34:23
select current_date as Systime2; 显示格式:2019-02-27
select sysdate() as Systim3; 显示格式:2019-02-27 23:34:24