The reason that this is required is that an XML document might require information other than the business data and names — such as an XML declaration.

需要这个的理由是XML文档可能需要除业务数据及名字之外的信息——如XML声明。

youdao

Note the XML declaration at the start of the data.

注意数据开始部分的XML声明。

youdao

In order to prevent unnecessary interim data conversions when using CLOB you can specify CCSID UNICODE for MIXED data on the stored procedure parameter declaration.

在使用CLOB时，为了避免不必要的过渡数据转换，可以在存储过程参数声明中指定CCSID UNICODE for MIXED DATA。

youdao

This declaration is largely backed up by epidemiological data, and will allow controlling the current outbreak and building a middle term, multisector action plan, tackling rabies through a systemic approach.

ECONOMIST: Letters