Add the new layer after refreshing the list for the database connection.

在刷新用于数据库连接的列表之后，添加新层。

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Connect the first task to the merge, then add a business item to the new connection, as shown in Figure 6.

将第一个任务连接到合并，然后将一个业务项添加到新的连接，如图6所示。

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You can add a new connection, test the connection status of a defined connection, update the properties of an existing connection, or delete a connection, as shown in Figure 11 (see larger image).

可以添加新连接、测试定义连接的连接状态、更新现有连接的属性或者删除连接，如图11所示(参见大图)。

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