251 search results - page 13 / 51 » Optimizing recursive queries in SQL |
SIGMOD
2003
ACM
14 years 7 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 ...
PVLDB
2010
13 years 5 months ago
2010
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Structurally recursive XML queries are an important query class that follows the structure of XML data. At present, it is difficult for XQuery to type and optimize structurally re...
EDBT
2010
ACM
13 years 9 months ago
2010
ACM
One of the most challenging tasks for the database administrator is to physically design the database to attain optimal performance for a given workload. Physical design is hard b...
DKE
2006
13 years 7 months ago
2006
Recursive queries are quite important in the context of XML databases. In addition, several recent papers have investigated a relational approach to store XML data and there is gr...