High availability for both data and applications is rapidly becoming a business requirement. While database systems support recovery, providing high database availability, applica...
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
We study the problem of generating synthetic databases having declaratively specified characteristics. This problem is motivated by database system and application testing, data ...
Constraint databases and geographic information systems share many applications. However, constraint databases can go beyond geographic information systems in efficient spatial and...
Abstract-- In a high-end database system, the execution concurrency level rises continuously in a multiprocessor environment due to the increase in number of concurrent transaction...