作者: David M. Kroenke , Christopher C. Olds , Kenji Kawai , Lee I. Eggebroten
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摘要: A computer-based system for allowing a user to create relational database schema. The allows semantic object data model of the is defined by one or more objects, each which includes attributes that describe characteristic objects. are as being either simple value single object; group include member collectively formula set forth computation describes link define relationship between two Once created, validates objects ensure no modeling errors have been made and transforms their included into plurality tables will store model.