Data caching issues in an information retrieval system
ACM Transactions on Database Systems (TODS)
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This paper describes the design and proposed implementation of a new application program interface to a database management system. Programs which browse through a database making ad-hoc updates are not well served by conventional embedding of DBMS commands in programming languages. a new embedding is suggested which overcomes all deficiencies. This construct, called a portal, allows a program to request a collection Of tuples at once and supports novel concurrency control schemes.