网卡和MAC地址只是这个答案中重要的部分，你的网络还必须知道如何匹配同一台设备的MAC地址和其IP地址。

NICs and MACs are important pieces of the answer, but your network must learn to pair a MAC address with the IP address for the same machine.

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要了解有关合并扫描联接的更多信息，请参考参考资料部分中针对您的DB 2平台的适当的信息中心链接。

For more information about merge scan joins, refer to the appropriate information center link in the Resources section for your DB2 platform.

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要了解嵌套循环联接的更多信息，请参考参考资料部分中针对您的DB 2平台的适当的信息中心链接。

For more information about nested loop joins, refer to the appropriate information center link in the Resources section for your DB2 platform.

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