363 search results - page 30 / 73 » Analyzing Plan Diagrams of Database Query Optimizers |
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
A rich set of concepts and techniques has been developed in the context of query processing for the efficient and robust execution of queries. So far, this work has mostly focused...
BTW
2007
Springer
14 years 3 months ago
2007
Springer
: Database-internal statistics are very important for cost-based query optimizers. Only if an optimizer has accurate statistical information about data, it provides excellent execu...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
— In recent years, the research community introduced various methods for processing skyline queries in multidimensional databases. The skyline operator retrieves all objects bein...
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
ICDE
2006
IEEE
14 years 3 months ago
2006
IEEE
It has been well recognized that data mining is an interactive and iterative process. In order to support this process, one of the long-term goals of data mining research has been...