A Distributed Data Access Component Based on COM
TU Jin-hua · Jisuanji yingyong yanjiu · 2004
According to the characters of data access, a data access component based on COM + is designed via ADO, which provides interface for data operation and simplifies data access, distributes various databases to balance data flow and integrates heterogeneous data. The component belongs to middle layer of 3-tiered architecture, which separates user interface layer and database system, with clear logic and powerful reusable features.