Now let's look at one of the query methods used to retrieve departments.

现在让我们看一下用于检索部门的查询方法。

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This class also has several query methods that let you query databases without using SQL directly.

这个类也有几个查询方法，让您可以不使用SQL直接查询数据库。

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Click Next so that you can see all of the available query methods in the DepartmentManager bean (Figure 23).

点击Next，这样您可以在DepartmentManager bean中看到所有可用的查询方法(图23)。

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