The Codasyl Approach to Data Base Management

Historical perspective. Components of a DBMS. Basic structuring concepts. Mapping record types to storage. Mapping a set type to storage. Set order and search keys. Storage class and removal class. Set selection options. Intra-record type structures. Other data administrator. facilities. Schema DDL syntax. Sub-schema concepts. Data manipulation language concepts. READY and FINISH. FIND and GET statements. DML updating statements. Other DML statements. Privacy system. Device media control language. Restructuring. The TOTAL approach. The IMS approach. The ADABAS approach. Relational approach. Concluding comments. Index.