This book is aimed at the systems analyst and designer. The text examines the concepts in detail, taking a practical stance and avoiding the abstract mathematical approach and encouraging a sound grasp of the basic principles. Questions, answer pointers and assignments amplify the text.
Auflage
Sprache
Verlagsort
Zielgruppe
Für die Erwachsenenbildung
Für höhere Schule und Studium
Für Beruf und Forschung
Illustrationen
Maße
Höhe: 172 mm
Breite: 246 mm
Gewicht
ISBN-13
978-0-340-56142-3 (9780340561423)
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Schweitzer Klassifikation
Autor*in
Principal Lecturer in Data Processing, Leicester Polytechnic
Part 1 Databases and database management systems: database systems; database management system architecture. Part 2 Relational modelling: tables; redundant vs duplicated data; repeating groups; determinants and identifiers; fully-normalized tables. Part 3 Entity-relationship modelling: introduction to entity-relationship modelling; properties of relationships; decomposition of many/many relationships; connection traps; skeleton entity-relationship models; attribute assignment; first-level design; second-level design; mapping into an indexed implementation - introduction to the COBOL host language interface; further DMS II schema facilities; further DMS II host language interface facilities; mapping into a Codasyl conceptual schema; further Codasyl schema facilities; further Codasyl COBOL DML facilities; relational algebra; the SQL language.
