In DB2, XML document validation is done on a per document basis, not at column level.

在 DB2 中，XML 文档验证是以每个文档为单位进行验证的，而不是以列为单位进行验证。

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Combining these two features produces a native XML data store that is capable of protecting XML documents and controlling access to them on a document-by-document basis.

通过组合这两大特性，可以产生一个原生xml数据存储，这种方式能保护XML文档，并在文档级控制对它们的访问。

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This vision of the founders served as a basis for asserting that freedom was a national moral imperative, and that the United States Constitution was an antislavery document.

国父们的这种远见成为了主张自由是国家道德义务的基础，美国宪法是一份反奴隶制的文件。

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Hoover must document the basis for his decisions regarding the transaction, including documenting the account paperwork with the date and his signature.

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This document formed the basis for Magna Carta, a document whose key clauses concerning liberty and justice have been adopted around the world.

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The document is the basis for negotiations with other countries ahead of a summit in Brighton in April.

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