An introduction to database systems
An overview of database management. An architecture for a database system. The internal level. An overview of DB2. Data definition. Data manipulation. The system catalog. Views. Embedded SQL. An overview of INGRES. Relational data structure. Relational integrity rules. Relational algebra. Relational calculus. Relational systems. Query optimization. Further normalization. Recovery and concurrency. Security and integrity. The database product family. An inverted list system: DATACOM/DB. A hierarchic system: IMS. A network system: IDMS. Distributed systems. Semantic modeling. List of acronyms. Index.
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An Architecture for a Database System
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20 London algebra application attribute B-tree base table basic BCNF calculus candidate keys catalog Chapter CITY clause COBOL CODASYL column constraint corresponding course cursor Data Base database system DBMS defined definition DELETE discussed disk domain E. F. Codd entity example EXEC SQL executed EXISTS field foreign key function given hash hierarchic IDMS INGRES INSERT integrity interface join language located lock logical manager MVDs normal form Note null occurrence operations optimization physical PL/I PNAME pointer possible predicate primary key Proc query record type reference relational algebra Relational Database relational model relational system represented result RETRIEVE RM/T S-SP S.CITY schema Section segment SELECT sequence shipment SNAME specified STATUS storage structure stored file stored record supplier numbers suppliers who supply suppliers-and-parts transaction tuple tuple calculus UPDATE variable VSAM