Start by creating a physical data model with a SAMPLE database, creating a SAMP schema, and creating some tables and columns.

首先创建一个物理数据模型，模型中包括一个SAMPLE数据库、一个SAMP模式和一些表和列。

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The SAMPLE model, which is a physical model instance, is used in step 4 above as the data source.

SAMPLE 模型是一个物理模型实例，它在上述的第 4 步中被用作数据源。

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Now you have created the SAMPLE physical model.

至此，您已创建好sample物理模型。

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