9 search results - page 1 / 2 » View materialization for nested GPSJ queries |
DMDW
2000
13 years 6 months ago
2000
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
DOLAP
2000
ACM
13 years 9 months ago
2000
ACM
A multidimensional database can be seen as a collection of multidimensional cubes, from which information is usually extracted by aggregation; aggregated data can be calculated ei...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
CIKM
2001
Springer
13 years 9 months ago
2001
Springer
Using materialized view to accelerate OLAP queries is one of the most common methods used in ROLAP systems. However, high storage and computation cost make this method very diffic...
BTW
2003
Springer
13 years 10 months ago
2003
Springer
Abstract: Optimization of nested queries, in particular finding equivalent “flattened” queries for queries that employ the SQL sub-query construct, has been researched extensiv...