619 search results - page 72 / 124 » Query Planning in Infomaster |
199
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SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
CIKM
2009
Springer
15 years 8 months ago
2009
Springer
Structural indices play a significant role in improving the efficiency of XML query evaluation. Being able to compare various structural indexing techniques is critical for a DBM...
102
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AICCSA
2005
IEEE
15 years 7 months ago
2005
IEEE
Data Stream Management Systems are being developed to process continuous queries over multiple data streams. These continuous queries are typically used for monitoring purposes wh...
117
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ICDE
2005
IEEE
15 years 7 months ago
2005
IEEE
Sybase's flagship database product, Adaptive Server Enterprise provides Native XML processing (NXS) support. In this paper we present our experience related to query processi...
117
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VLDB
1998
ACM
15 years 6 months ago
1998
ACM
The query execution engine in Microsoft SQL Server employs hash-based algorithms for inner and outer joins, semi-joins, set operations (such as intersection), grouping, and duplic...