The path from the system processor/memory/OS/App to the HBA contains only the read data block.

在从系统处理器/内存/操作系统/应用程序到 HBA 的路径上，只传输读取数据块。

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DATAFILES is a mandatory clause for each external table. It specifies the file path where the data can be read from or written to.

DATAFILES是每个外部表的必需子句，它指定读写数据的文件路径。

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For example, a register associated with a LUT and that is not needed in the read data path in user RAM mode can be used to register data for writing in user RAM mode.

例如，与LUT相关而且在用户RAM模式的读数据路径中不需要的寄存器可被用于寄存用户RAM模式中用于写的数据。

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