An Introduction to Database Systems
A comprehensive, up-to-date treatment of database technology. This edition features: updated coverage of object-oriented database systems, including a proposal for rapprochement between OO and relational technologies; expanded treatment of distributed databases, including client/server architectures, with an emphasis on database design issues; a comprehensive introduction to all aspects of the relational model - the basis of modern database technology; and new chapters on functional dependencies, views, domains and missing information.
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Parti BASIC CONCEPTS
An Architecture for a Database System
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algorithm apply base table BCNF C. J. Date calculus candidate key Cartesian product catalog Chapter CITY clause column concept constraint corresponding course CREATE BASE RELATION CREATE DOMAIN cursor data type database design database system DBMS decomposition defined definition DELETE DEPT discussed domain calculus employee entity equivalent evaluates example EXISTS expression fact foreign key functional dependence Hugh Darwen INGRES INSERT integrity rules join language lock means MVDs normal form Note nulls object optimization paper PL/I primary key problem projection query reference referential referential integrity rela relation SP relational algebra relational calculus Relational Database Relational Database Writings relational model relational systems RENAME represent restriction result RETRIEVE rows S.CITY scalar schema Section semantic set of attributes shipment SNAME specific SPJX.P statement STATUS stored subset supplier numbers suppliers who supply SX.S term tion transaction tuple tuple calculus union variable