Collects the four 1989 issues of the Data engineering bulletin published by the IEEE. The first issue is on databases for parallel machines and heterogeneous distributed databases. The second issue addresses the topics of imprecision and vagueness in databases. The third issue covers problems and solutions in the field of database programming languages, while the final issue presents the problems in developing non-English interfaces to databases. Acidic paper. Annotation copyright Book News, Inc. Portland, Or.