270
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VLDB
15 years 11 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 ...
229
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VLDB
15 years 11 months ago
1991 ACM 
Object-oriented data models are receiving wide attention since they provide expressive ionmechanismsto model naturally and directly both structural and behavioral aspectsof comple...
229
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VLDB
15 years 11 months ago
1991 ACM 
: This paper describes a design methodology for an object oriented database,basedon a semantic network. This approach is based on the assumption that Yemanticdata models are more p...
225
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VLDB
15 years 11 months ago
1991 ACM 
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
225
click to vote
VLDB
15 years 11 months ago
1991 ACM
It is widely recognized that production rules in database systems can be used to automatically maintain derived data such as views. However, writing a correct set of rules for e ci...
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Database