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SIGMOD
2005
ACM
145views Database» more  SIGMOD 2005»
14 years 7 months ago
Native Xquery processing in oracle XMLDB
With XQuery becoming the standard language for querying XML, and the relational SQL platform being recognized as an important platform to store and process XML, the SQL/XML standa...
Zhen Hua Liu, Muralidhar Krishnaprasad, Vikas Aror...
BNCOD
2007
137views Database» more  BNCOD 2007»
13 years 9 months ago
Isolating Order Semantics in Order-Sensitive XQuery-to-SQL Translation
Order is essential for XML query processing. Efficient XML processing with order consideration over relational storage is non-trivial, especially for complex nested XQuery expressi...
Song Wang, Ling Wang, Elke A. Rundensteiner
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
14 years 7 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
ODBIS
2007
Springer
150views Database» more  ODBIS 2007»
14 years 1 months ago
An Effective SPARQL Support over Relational Databases
Supporting SPARQL queries over relational databases becomes an active topic recently. However, it has not received enough consideration when SPARQL queries include restrictions on...
Jing Lu, Feng Cao, Li Ma, Yong Yu, Yue Pan
VLDB
1995
ACM
132views Database» more  VLDB 1995»
13 years 11 months ago
Coloring Away Communication in Parallel Query Optimization
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
Waqar Hasan, Rajeev Motwani