Multi-tiered applications use the components on the DataSnap page, the Data Access page, and possibly the WebServices page of the Tool Palette, plus a remote data module that is created by a wizard on the Multitier or WebServices page of the New Items dialog. They are based on the ability of provider components to package data into transportable data packets and handle updates received as transportable delta packets.
多層應用程式使用那些在工具盤中的DataSnap、Data Access、或許WebServices頁，加上