In this paper,inspirations we can draw from American's National Information Infrastructure(NII) pian have been elaborated,important problems demanding prompt solution in building China' s National Information Infrastructure (CNII) have been proposed and impacts of information highway on information service industry have been studied.

In this paper,the concept of the Client/Server computer is introduced first.Then it presents three major impact of the Client/Server model on the information technology in the 1990s:(1)It promotes the development of the distributed systems;(2)It provides a good solution for the interlink and interoperation of the het erogeneous systems;(3)It can better meet the requirements of the current on-line transaction processing(OLTP)systems.Finally,the importance of introducing Client/Server in to the design and creation of information systems in the 1990s is emphasized.

Based on a virtual library automation sy stem structure,this paper discusses mult iple database,network resource interface ,and distributed dynamic linking models for network resource control in such systems.This paper further explores the retrieval operations and design requirements for such systems.

This article puts forward importance of earlier strategy and preparation on the establishment of library automation system which includes the setting of a goal and the selecting of a good software as well as the making a general program on developing library automation system,and emphasis on the setting up of the bibliographic database,the choosing of the right system management personnel.On the bas is of the investigation the author gives several judgements on choosing automatic software and emphasizes that resource sharing is the main goal of the library automation system.

This paper discuss the annotation and significance computer cataloguing works ,analyses,the features of CNMARC and describes the requirement of software for computer cataloguing work.

This article gives a summary of the deve lopment of RLIN(Research Libraries Infor mation Network)in U.S.A.It also discusses about RLIN' s database features,searching appoaches and various services.

The paper discusses some issues in relation to machine selection,hardware connection and software development environment,and presents detailed analysis and comparison about the LAN mode and multi-user time sharing mode.

The paper presents the design and implementation of the union catalogue for Japanese geo- logical books in microcomputer management system by means of d BASE program language and the program designing method of combining dictionary database with macro replacement and its all function.

The paper analyses the principle of implementing stack structure in database and introduces method of implementing stack structure in FOXBASE.Finally,the initial program is given.

Computer assisted creation of the OCTS is descripted in this paper.A detail introduction about the Input Data Table and the Machine Readable Table's character,function,data form and meaning,key processing,etc.is presented and in the end,a discussion about some theory issues are given.

In this article,the author introduce some foreign typical cases in the area of d atabase copyright protection and basic priciple of protection.We also discuss some thorny issues,including industrious collection priciple,original priciple,fair use,duration and so on.Then the author provide some suggestions to enhance intellectual property right protection for China database industry.

This paper introduces the content,structure and features of LSC CD-ROM database, and it' s retrieval functions.