However, performance can be significantly better using nvarchar (4,000) if all the relevant strings contain less than 4,000 characters.

然而，如果所有相关字符串包含的字符都少于4,000个，使用nvarchar(4,000)则性能可得到显著改善。

youdao

Just pass an integer value to the function within your SQL code and it will be implicitly cast to an nvarchar and the appropriate group will be returned.

仅将整数值传递给SQL代码中的函数，它会隐式地转换为nvarchar并且返回相应的组。

youdao

Just pass an integer value to the function within your SQL code and it will be implicitly cast to an nvarchar and the appropriate group will be returned.

仅将整数值传递给SQL代码中的函数，它会隐式地转换为nvarchar并且返回相应的组。

youdao