619 search results - page 34 / 124 » Query Planning in Infomaster |
176
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PDIS
1996
IEEE
15 years 6 months ago
1996
IEEE
Users today are struggling to integrate a broad range of information sources providing di erent levels of query capabilities. Currently, data sources with di erent and limitedcapa...
107
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ICDE
2010
IEEE
15 years 6 months ago
2010
IEEE
— While planning the execution of report-generation workloads, database administrators often need to know how long different query workloads will take to run. Database systems ru...
132
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DEXAW
2004
IEEE
15 years 5 months ago
2004
IEEE
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...
137
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SIGMOD
2010
ACM
15 years 9 days ago
2010
ACM
One useful feature that is missing from today’s database systems is an explain capability that enables users to seek clarifications on unexpected query results. There are two t...
182
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SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...