process-to-process_connection

1.The CLP includes both a front-end process (representing the user interface) and a back-end process to maintain a database connection.
CLP包括前端进程(表示用户界面)和后端进程，可以用它们来维护数据库连接。
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2.In the process editor, move the mouse pointer to the far left edge of the process until the pointer changes to an icon indicating that you're adding a connection.
在流程编辑器中，将鼠标指针移到流程的最左侧边缘，直到指针更改为指示您正在添加连接的图标。
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