Describes a study that examined the ability of the dBase database management system to perform secondary key retrieval on multivalued data items. The results are presented as time cost relative to the number of matching records, and situations in which a different management system might be appropriate are identified. (CLB)

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,…

Describes an integrated online library system developed at the University of California at Los Angeles (UCLA) which incorporates a number of database management features that enhance efficiency, for record retrieval and display. Design features related to record storage and retrieval and the design of linked files are described in detail.…