An Introduction to Database Systems, Volume 1An 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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20 London algebra application attribute B-tree base table basic calculus candidate keys Cartesian product catalog Chapter CITY clause COBOL CODASYL column constraint corresponding course CREATE TABLE cursor Data Base database system DBMS defined definition DELETE discussed domain entity entries example EXEC SQL executed EXISTS extendable hashing field file manager foreign key function given hash hierarchic IDMS INGRES INSERT integrity join language located logical MVDs normal form Note null occurrence operations optimization Paris physical PL/I PNAME pointer possible predicate primary key Proc query record type reference relational algebra relational database relational model relational systems represented result RETRIEVE RM/T S.CITY schema Section SELECT sequence shipment SNAME specified SQL/DS STATUS storage structure stored file stored record supplier numbers supplier S1 suppliers who supply transaction tuple unique UPDATE variable VSAM