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JoinRowSet

JoinRowSet

JoinRowSet

JoinRowSet

1

Since Java does not allow you to instantiate an interface , we need an implementation of the JoinRowSet interface to perform our study .

由于 Java 不允许实例化接口，所以为了进行我们的研究，需要拥有 JoinRowSet 接口的一个实现。

2

Later, we? ll see how the JoinRowSet function performs the same data-combining operation that our database server side JOIN operation did.

之后我们将看到 JoinRowSet 函数如何执行与数据库服务器端 JOIN 操作相同的数据组合操作。

3

First I create a JoinRowSet object named join by calling the constructor of the implementation class, JoinRowSetImpl: .

首先我通过调用实现类 JoinRowSetImpl 的构造函数创建一个名为 join 的 JoinRowSet 对象。

4

To perform our study of the JoinRowSet interface , you need a database and some tables .

为了研究 JoinRowSet 接口，需要一个数据库和一些表。

5

As stated earlier , the JoinRowSet interface is a subinterface of the CachedRowSet interface.

如前所述，JoinRowSet 接口是 CachedRowSet 接口的子接口。

6

Based upon your findings in this article , you might want to consider using JoinRowSet objects in your application architecture .

读完本文之后，您可能会考虑在自己的应用程序架构中使用 JoinRowSet 对象。

7

Using JoinRowSet lingo, our JOIN operation was performed using a match column of DEPTID.

在使用 JoinRowSetlingo 时，JOIN 操作是通过匹配列 DEPTID 来执行的。

8

After performing our offline JOIN , we can see the data in our JoinRowSet object using getter methods like we do with ResultSet objects.

在执行离线 JOIN 之后，我们可以像使用 ResultSet 对象一样，通过 getter 方法查看 JoinRowSet 对象中的数据。

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