Surveys the technology of database software and hardware, describing some of the principal issues related to the user's view of data, sharing, concurrent access, security, and integrity. (JN)

The National Academy of Sciences suggests models for biomedical research which include a biology-wide information system with computerized database accessible from a multitude of dimensions. Links could help discover whether toxic chemicals have effects similar to hormones. Commonalities from molecules to ecosystems might restructure available…

Stresses providing reliable, factual information directly to users. Describes classes of data, the need for good data, quality control of databases, the electronic revolution in data dissemination, systematic cooperation to reduce costs of developing online services and of creating data bases, and trends in data dissemination. (JN)