34 search results - page 4 / 7 » Optimization of Nested SQL Queries by Tableau Equivalence |
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
OTM
2005
Springer
15 years 3 months ago
2005
Springer
: The paper presents a solution of the problem of wrapping relational databases to an object-oriented business model in the data grid architecture. The main problem with this kind ...
78
Voted
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
A variety of developments combine to highlight the need for respecting order when manipulating relations. For example, new functionality is being added to SQL to support OLAP-styl...
172
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ICDE
2003
IEEE
15 years 10 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
101
Voted
EDBT
2012
ACM
12 years 12 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...