Database Design: The Semantic Modeling Approach
This book covers the broad field of database design from the perspective of semantic modeling. Aimed at present and future designers of database applications, software engineers, systems analysts and programmers, it aims to offer a unified study of semantic, relational, network and hierarchical databases as seen through the semantic modeling approach. The book provides a stuctured top-down methodology of database design in all the models and presents the principal types of database languages.
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FROM THE SEMANTIC TO THE RELATIONAL MODEL
RELATIONAL DATABASE LANGUAGES
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abstract categories abstract object algorithm application attribute B-tree binary relation binary schema birth-year Boolean Computer Science computer science students concrete category concurrency control contains course-name COURSE-OFFERING data models database design database management systems database model database systems Date DBMS defined DEPARTMENT DEPARTMENT-NAMING desired-grade disjoint enrl in COURSE-ENROLLMENT ENROLLMENT equipment Error-status Example expression facts FINAL-GRADE FIRE-WEATHER-OBSERVATION grade hierarchical schema hydrology HYDROLOGY-STATION i.LAST-NAME id-key implementational restrictions insert instantaneous database INSTRUCTOR instructor-id INSTRUCTOR-ID-in-key Integer integrity constraints LAST-NAME name-key network schema null number-of-grades object-oriented output Pascal PERSON Predicate Calculus QUARTER query range record-type Relational Algebra relational database relational schema rows s.ID-key sales/relational schema Figure schema Figure 13-23 Semantic Binary Model semantic databases semantic models semantic schema set-type Solution for Problem specified String 1:m String Figure String first-name String m:1 student.LAST-NAME subcategory subschema THE-STUDENT total-of-grades update userview values variable WORKS-IN writeln year-in-key