VLDB
1991
ACM
13 years 7 months ago
1991
ACM
We propose a new method for integrity checking in deductive databases.The methodaugmentsadatabasewith asetof transition and internal eventsrules,which explicitly definetheinsertio...
VLDB
1991
ACM
13 years 7 months ago
1991
ACM
VLDB
1991
ACM
13 years 7 months ago
1991
ACM
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...
VLDB
1991
ACM
13 years 7 months ago
1991
ACM
Domain mismatch and schema mismatch are two of the important semantic integration problems for interoperating heterogeneous databases. This paper structures the domain mismatch pr...
VLDB
1991
ACM
13 years 7 months ago
1991
ACM
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...
VLDB
1991
ACM
13 years 7 months ago
1991
ACM
: 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...
VLDB
1991
ACM
13 years 7 months ago
1991
ACM
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...
VLDB
1991
ACM
13 years 7 months ago
1991
ACM
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...
VLDB
1991
ACM
13 years 7 months ago
1991
ACM
Thrashing in transactionprocessingsystemscan be prevented by controlling the number of concurrently running transactions. Becausethe optimal concurrency level strongly dependson t...
VLDB
1991
ACM
13 years 7 months ago
1991
ACM
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 ...