OLE DB was introduced primarily to provide uniform data access to non-relational data as well as relational data.

之所以要引入OLE DB，主要是为了给非关系型数据和关系型数据提供统一的数据访问。

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The first parameter marker is to hold the relational schema or the DB owner name of the registered annotated XML schema.

第一个参数标记符用于存放注册的带注释的XML模式的关系模式或db所有者名称。

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The goal of OLE DB (as was the goal of ODBC before it) is to provide transparent access to a variety of relational and non-relational data sources.

OLE DB 的目标（就像它之前的 ODBC 的目标）是提供对各种关系和非关系数据源的透明的访问。

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