This example assumes that the data source is to have a global scope.

本示例假定该数据源将有一个全局范围。

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Note: This data source will be created at the Application scope.

注释：这个数据源将会建立在Application 范围下。

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Note: This data source will be created at the Application scope.

注释：这个数据源将会建立在Application 范围下。

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