569 search results - page 26 / 114 » Materialized Views in Oracle |
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
Devising a scheme for efficient and scalable querying of Resource Description Framework (RDF) data has been an active area of current research. However, most approaches define new...
SDMW
2007
Springer
15 years 4 months ago
2007
Springer
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
DAWAK
1999
Springer
15 years 2 months ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over relations that are stored in distributed heterogeneous databases. The selection of views for...
171
click to vote
SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
ESA
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. A materialized view is a certain synopsis structure precomputed from one or more data sets (called base tables) in order to facilitate various queries on the data. When t...