[英]Date conversion from "JAN02/19 to 2019-01-02
如何将 varchar(25) 列的值从“JAN02/19”格式的日期转换为“2019-01-02”(YYYY-MM-DD)?
Perhaps something like this也许像这样
Declare @S varchar(25)='JAN02/19'
Select try_convert(date,replace(@S,'/',' 20'))
Returns退货
2019-01-02
You can do something like below:您可以执行以下操作:
DECLARE @Date Varchar(10)
Set @Date='JAN02/19'
select DATEFROMPARTS('20'+substring(@Date,7,2),CHARINDEX(@Date,'JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC')/4+1,substring(@Date,4,2))
This should give the output in the desired format.这应该以所需的格式提供输出。
Edit:编辑:
To accomodate improper month values:要容纳不正确的月份值:
DECLARE @Date Varchar(10)
Set @Date='JAN02/19'
select DATEFROMPARTS('20'+substring(@Date,7,2),NULLIF(CHARINDEX(substring(@Date,1,3),'JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC'),0)/4+1,substring(@Date,4,2))
This will return NULL in case the month values are not proper.如果月份值不正确,这将返回 NULL。
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