SQLServer获取年月日，时分秒

SELECT GETDATE() as '当前日期',
DateName(year,GetDate()) as '年',
DateName(month,GetDate()) as '月',
DateName(day,GetDate()) as '日',
DateName(dw,GetDate()) as '星期',
DateName(week,GetDate()) as '周数',
DateName(hour,GetDate()) as '时',
DateName(minute,GetDate()) as '分',
DateName(second,GetDate()) as '秒'