Describes Structured Query Language (SQL), the result of an American National Standards Institute effort to standardize language used to query computer databases and a common element in second generation database management systems. The discussion covers implementations of SQL, associated products, and techniques for its use in online catalogs,…

Discusses the technological changes that will necessitate the prospective conversion of library data over the next decade and addresses the problems of converting data from obsolete personal computers to newer models that feature radically different operating systems. Three case studies are used to illustrate possible scenarios. (11 references)…

Discusses the benefits of mounting commercial and local databases to provide online access and describes the approach taken by the University of Pennsylvania. The issues discussed include database, local data file, and software selection; agreements with online vendors; cost effectiveness; and actual use of the online files at the university. (CLB)

This investigation of utilization of machine-readable bibliographic records for government publications in online public access catalogs consists of a literature search, identification of applications of Government Printing Office (GPO) MARC tapes by bibliographic services and libraries, sampling GPO MARC test tape and profiling depository…

Discussion of information services at Clemson University libraries focuses on managerial, cost, and behavioral issues that arose during the process of developing online access to information. Extending the online catalog with commercial databases and locally generated files is described, cost and benefit tradeoffs are considered, and student and…