A better way to do all this is to load the data into one database, then perform a query, such as that shown below.

做所有这些事情的一个更好办法是将数据加载到一个数据库中，然后执行查询，比如下面的查询。

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With all the tables defined in the test database, you can now load test data.

在测试数据库中定义了所有表之后，现在可以装载测试数据。

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Your application can allocate enough memory to load all the data into the collection.

应用程序可以分配足够的内存来将所有数据装载到集合中。

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Not only do you have to load all types of data about your employees, you also have to load job profiles, assessments, training modules, and dozens of other types of third party data.

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Home appliances, meters, transformers and generators could all share data and work together to make the power grid more efficient, for example by lowering the peak load.

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