📅  最后修改于: 2022-03-11 15:05:33.954000             🧑  作者: Mango
SELECT GETDATE() 'Today',
DATEADD(day,-2,GETDATE()) 'Today - 2 Days'
SELECT GETDATE() 'Today',
DATEADD(dd,-2,GETDATE()) 'Today - 2 Days'
SELECT GETDATE() 'Today',
DATEADD(d,-2,GETDATE()) 'Today - 2 Days'