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VLDB
1987
ACM
100views Database» more  VLDB 1987»
13 years 11 months ago
Optimization of Systems of Algebraic Equations for Evaluating Datalog Queries
A Datalog program can be translated into a system of fixpoint equations of relational algebra; this paper studies how such a system can be solved and optimized for a particular qu...
Stefano Ceri, Letizia Tanca
VLDB
1987
ACM
75views Database» more  VLDB 1987»
13 years 11 months ago
The POSTGRES Data Model
The design of the POSTGRES data model is described. The data model is a relational model that has been extended with abstract data types including user-defined operators and proce...
Lawrence A. Rowe, Michael Stonebraker
VLDB
1987
ACM
90views Database» more  VLDB 1987»
13 years 11 months ago
Enhancements to the Voting Algorithm
There are several consistency control algorithms for managing replicated files in the face of network partitioning due to site or communication link failures. In this paper, we co...
Sushil Jajodia, David Mutchler
VLDB
1987
ACM
111views Database» more  VLDB 1987»
13 years 11 months ago
Performance Evaluation of an Operating System Transaction Manager
A conventional transaction manager implemented by a database management system (DBMS) was compared against one implemented within an operating system (OS) in a variety of simulate...
Akhil Kumar, Michael Stonebraker
VLDB
1987
ACM
86views Database» more  VLDB 1987»
13 years 11 months ago
Independent Database Schemes under Functional and Inclusion Dependencies
In a context considering in a unique framework all the relations in a database, by means of the notion of global consistency, independent database schemes allow enforcement of con...
Paolo Atzeni, Edward P. F. Chan