当使用本文并设置系统时，请确保您已经阅读过正确的产品信息(或者请教过专家)。
Please make sure you have access to the appropriate product information (or expert) when using this document and setting up the systems.
顾客可以浏览目录并查看详细的产品信息，使用个性化的虚拟购货车，并以电子方式付款。
Customers can browse a catalog and view detailed product information, use a personalized, virtual shopping cart, and pay for purchases electronically.
例如，可以使用SQL编写联合查询，并可以指定对产品信息的访问。
For example, a federated query might be written in SQL and might specify access to product information.
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