164 search results - page 22 / 33 » The performance of SQL queries to an X.500 directory system |
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Updates over virtual XML views that wrap relational data are not well supported by XML data management systems. This paper studies the problem of whether a correct relational upda...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Testing of database applications is crucial for ensuring high software quality as undetected faults can result in unrecoverable data corruption. The problem of database applicatio...
ECCB
2005
IEEE
14 years 1 months ago
2005
IEEE
Many areas of modern biology are concerned with the management, storage, visualization, comparison, and analysis of networks. For instance, networks are used to model signal trans...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one uses the no...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...