Argues that the selection of a database is a significant factor in the success and cost effectiveness of an online search, and provides guidelines for determining whether the content of a database is relevant for a particular search and whether the database is accessible, affordable, and suitable for the search. (LAE)

Describes the design and functions of a technical library database maintained on a mainframe computer and supported by the SPIRES database management system. The topics covered include record structures, vocabulary control, input procedures, searching features, time considerations, and cost effectiveness. (three references) (CLB)