This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...
A common problem within most large corporations nowadays is the diversity of database systems that are employed by their many departments in the development of a product. Usually, ...
Fernando de Ferreira Rezende, Ulrich Hermsen, Geor...
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
Raghav Kaushik, Philip Bohannon, Jeffrey F. Naught...
Inter-business collaborative contexts prefigure a distributed scenario where companies organize and coordinate themselves to develop common and shared opportunities. Traditional b...