619 search results - page 20 / 124 » Query Planning in Infomaster |
131
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SIGMOD
2000
ACM
15 years 6 months ago
2000
ACM
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
139
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
Query optimizers in current database systems are designed to pick a single efficient plan for a given query based on current statistical properties of the data. However, different...
108
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EDBT
2008
ACM
16 years 2 months ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...
177
Voted
SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
We present a system, ConEx, for monitoring query execution in a relational database management system. ConEx offers a unified view of query execution, providing continuous visual ...
SIGMOD
2002
ACM
16 years 2 months ago
2002
ACM
Statistics play an important role in influencing the plans produced by a query optimizer. Traditionally, optimizers use statistics built over base tables and assume independence b...