COMAD
2009
14 years 5 months ago
2009
XML stream querying problem involves evaluating a given, potentially large, set of query expressions on a continuous stream of XML messages. Since the messages arrive continuously...
DBPL
1993
Springer
14 years 8 months ago
1993
Springer
A frequent dilemma in the design of a database programming language is the choice between a language with a rich set of tailored notations for schema definitions, query expression...
UML
2001
Springer
14 years 9 months ago
2001
Springer
UML is the de-facto standard language for Object-Oriented analysis and design of information systems. Persistent storage and extraction of data in such systems is supported by dat...
SIGMOD
2004
ACM
15 years 4 months ago
2004
ACM
Cardinality estimation during query optimization relies on simplifying assumptions that usually do not hold in practice. To diminish the impact of inaccurate estimates during opti...
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ICDE
2003
IEEE
15 years 6 months ago
2003
IEEE
Query optimizers use base-table statistics to derive statistics on the sub-plans that are enumerated during optimization. In practice, traditional optimizers rely on a number of s...