select CONVERT(varchar(7) ,getdate(), 120) as 'Date' from 表名;--只取年月且日期格式为 xxxx-xx

select CONVERT(varchar(12) ,getdate(), 120) as 'Date' from 表名;--只取年月日且日期格式为 xxxx-xx-xx

CONVERT负责截取位数,120代表日期格式

日期格式对照:

101    xx/xx/xxxx(Month/Date/Year)

102    xxxx.xx.xx(Year.Month.Date)

103    xx/xx/xxxx(Date/Month/Year)

104    xx.xx.xxxx(Date.Month.Year)

105    xx-xx-xxxx(Date-Month-Year)

106    xx xx xxxx(Date Month Year)

107    xx xx,xxxx(Date Month,Year)

111     xxxx/xx/xx(Year/Month/Date)

112     xxxxxxxx(YearMonthDate)

120     xxxx-xx-xx(Year-Month-Date)

..........

05-11 22:00