Record Display for the EPA National Library Catalog
RECORD NUMBER: 6 OF 29Main Title | Computer data-base organization / | |||||||||||
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Author | Martin, James, | |||||||||||
Publisher | Prentice-Hall, | |||||||||||
Year Published | 1977 | |||||||||||
Report Number | 76052450 | |||||||||||
OCLC Number | 02983100 | |||||||||||
ISBN | 0131654233; 9780131654235; 013165506X; 9780131655065 | |||||||||||
Subjects | Database management ; Computers ; Traitement des donnes ; Ordinateurs ; Numérisation ; Datenbank ; Organisation ; Bases de donnes--Gestion | |||||||||||
Additional Subjects | Data base management | |||||||||||
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Edition | 2d ed. | |||||||||||
Collation | xviii, 713 pages : illustrations ; 24 cm. | |||||||||||
Notes | Includes bibliographical references and index. |
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Contents Notes | Prologue -- Introduction -- Basic terminology -- Part 1: Logical organization -- What is a data base? -- What should be the objectives of a data-base organization? -- Entities and attributes -- Data models: schemas and subschemas -- Data-base management systems -- Tree structures -- Plex structures -- Data description languages -- The CODASYL data description language -- IBM's data language/1 -- Relational data bases -- Third normal form -- canonical data structures -- Varieties of data independence -- Part 2: Physical organization -- Criteria affecting physical organization -- Differences between physical and logical organization -- Addressing techniques -- Indexed sequential organizations -- Hashing -- Pointers -- Chains and ring structures -- Physical representations of tree structures -- Physical representations of plex structures -- Multiple-key retrieval -- A comparison of multiple-key organizations -- Separating data and relationships -- Index organization -- Index-searching techniques -- Inverted file systems -- Data compaction -- Virtual memory and storage hierarchies -- Volatile files -- Fast-response systems -- Associative memory -- The mean number of probes in a binary search -- Sample logical data descriptions. |