我有一个数据类型nvarchar,但是为了在我之间使用,我需要将它更改为date数据类型,但它显示错误。
这是我当前的TimeStamp:2017-02-03 19:12:37.503
select PartNo,Convert(date,WODate,103)
from Inspection
where Convert(date,WODate,103) between Convert(date,'03-01-2017',103)
and Convert(date,'05-01-2017',103)
答案 0 :(得分:0)
如果可能,您应该将列的数据类型更改为DateTime(或者只是日期,如果这就是您需要的全部内容)。
阅读Aaron Bertrand的Bad habits to kick : choosing the wrong data type以找出原因。
如果那是不可能的,那么在转换为日期时至少应该使用正确的样式:
select PartNo, Convert(date,WODate,121)
from Inspection
where Convert(date,WODate,120) <= date,'2017-01-03'
and Convert(date,WODate,120) <= '2017-01-05'
注意:
dd/MM/yyyy
。
对于您在字符串中使用的格式(yyyy-MM-dd HH:mm:ss),您需要使用121样式。'yyyyMMdd'
。 'yyyy-MM-dd'
差不多好。'yyyy-MM-ddTHH:mm:ss'
。如果你还要包括时间,请使用<div class="container gt-container-fluid gt-container-form">
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(注意M代表monthes而m代表分钟,也不要忘记将日期和时间扭曲与大写T分开。)答案 1 :(得分:0)
看起来您的日期时间格式为yyyy-mm-dd hh:mi:ss.mmm,并且您尝试使用103格式转换它,即dd / mm / yyyy。您的其他硬编码日期遵循该格式,但不能在没有转换的情况下使用文字格式。我建议你使用以下内容:
{{1}}
以下资源具有参考格式: