ABSTRACT
As the number of documents in an online information database system grows, it becomes increasingly difficult to store, manage the large amount of documents and finding requested relevant documents by users. An online information database system (OIDS) is used for this purpose. OIDS is a general tool for building and managing Referencing system of all kinds of documents to meet user needs. It implements system management and query processing in parallel. The functions of OIDS include data collection, format standardization, information extraction, automatic classification, data loading, data maintenance, query processing, external data entering, personalized recommendation etc. This study introduces the design and implementation of an online information database system, OIDS.