在考虑信息源时，牢记以下这些要素非常重要。

In considering a source, it is important to keep these factors in mind.

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当为过程创建数据源时，预定义结果集将被自动挑选出来。

When creating a data source for a procedure, the pre-defined result set is automatically picked up.

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当我们直接访问每个数据源时，自然就有更多的代码要编写。

When we accessed each data source directly, we naturally had more code to write.

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