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VLDB
1991
ACM
114views Database» more  VLDB 1991»
10 years 6 months ago
Integrity Constraints Checking In Deductive Databases
We propose a new method for integrity checking in deductive databases.The methodaugmentsadatabasewith asetof transition and internal eventsrules,which explicitly definetheinsertio...
Antoni Olivé
VLDB
1991
ACM
139views Database» more  VLDB 1991»
10 years 6 months ago
Optimization of Multi-Way Join Queries for Parallel Execution
Hongjun Lu, Ming-Chien Shan, Kian-Lee Tan
VLDB
1991
ACM
134views Database» more  VLDB 1991»
10 years 6 months ago
Extending the Search Strategy in a Query Optimizer
In order to cope efficiently with simple or complex queries as well as different application requirements (e.g., ad-hoc versus repetitive queries), a query optimizer ought to supp...
Rosana S. G. Lanzelotte, Patrick Valduriez
VLDB
1991
ACM
101views Database» more  VLDB 1991»
10 years 6 months ago
Solving Domain Mismatch and Schema Mismatch Problems with an Object-Oriented Database Programming Language
Domain mismatch and schema mismatch are two of the important semantic integration problems for interoperating heterogeneous databases. This paper structures the domain mismatch pr...
William Kent
VLDB
1991
ACM
143views Database» more  VLDB 1991»
10 years 6 months ago
Adaptive Locking Strategies in a Multi-node Data Sharing Environment
This paper describes some of the concurrency control 1” lgorithms used in RdMVMS RdbIVMS uses the ,fac.ilities provided by the VMS lock manager in order to perform locking among...
Ashok M. Joshi
VLDB
1991
ACM
171views Database» more  VLDB 1991»
10 years 6 months ago
Language Constructs for Programming Active Databases
: This paper presents database programming language constructs that. can be used to realize a variety of different semantics for rule application in active database syst.ems. The p...
Richard Hull, Dean Jacobs
VLDB
1991
ACM
185views Database» more  VLDB 1991»
10 years 6 months ago
Experimental Evaluation of Real-Time Optimistic Concurrency Control Schemes
Due to its potential for a high degree of parallelism, optimistic concurrency control is expected to perform better than two-phase locking when integrated with priority-driven CPU...
Jiandong Huang, John A. Stankovic, Krithi Ramamrit...
VLDB
1991
ACM
143views Database» more  VLDB 1991»
10 years 6 months ago
Handling Data Skew in Multiprocessor Database Computers Using Partition Tuning
Shared nothing multiprocessor archit.ecture is known t.obe more scalable to support very large databases. Compared to other join strategies, a hash-ba9ed join algorithm is particu...
Kien A. Hua, Chiang Lee
VLDB
1991
ACM
146views Database» more  VLDB 1991»
10 years 6 months ago
Adaptive Load Control in Transaction Processing Systems
Thrashing in transactionprocessingsystemscan be prevented by controlling the number of concurrently running transactions. Becausethe optimal concurrency level strongly dependson t...
Hans-Ulrich Heiss, Roger Wagner
VLDB
1991
ACM
220views Database» more  VLDB 1991»
10 years 6 months ago
A Performance Evaluation of Multi-Level Transaction Management
Multi-level transactions are a variant of open nested transactions in which the subtransactions correspond to operations at different levels of a layered system architecture. The ...
Christof Hasse, Gerhard Weikum
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