PublicationSIGMOD RecordPaperDatabase Research at the IBM Almaden Research CenterSIGMOD RecordDownload paperAbstractNo abstract available.Home↳ PublicationsDate09 Jan 1991PublicationSIGMOD RecordAuthorsLaura M. HaasPatricia G. SelingerIBM-affiliated at time of publicationResourcesPublicationShare