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» Querying continuous functions in a database system
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ICDE
2007
IEEE
148views Database» more  ICDE 2007»
16 years 7 months ago
An Online Approach to Physical Design Tuning
There has been considerable work on automated physical design tuning for database systems. Existing solutions require offline invocations of the tuning tool and depend on DBAs ide...
Nicolas Bruno, Surajit Chaudhuri
ICDE
2009
IEEE
157views Database» more  ICDE 2009»
15 years 3 months ago
Query Rewrites with Views for XML in DB2
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
Parke Godfrey, Jarek Gryz, Andrzej Hoppe, Wenbin M...
PVLDB
2010
122views more  PVLDB 2010»
15 years 4 months ago
From a Stream of Relational Queries to Distributed Stream Processing
Applications from several domains are now being written to process live data originating from hardware and softwarebased streaming sources. Many of these applications have been wr...
Qiong Zou, Huayong Wang, Robert Soulé, Mart...
VLDB
2004
ACM
124views Database» more  VLDB 2004»
15 years 11 months ago
Automated Statistics Collection in DB2 UDB
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
Ashraf Aboulnaga, Peter J. Haas, Sam Lightstone, G...
BNCOD
2009
97views Database» more  BNCOD 2009»
15 years 7 months ago
An XML-Based Model for Supporting Context-Aware Query and Cache Management
Abstract. Database systems (DBSs) can play an essential role in facilitating the query and cache management in context-aware mobile information systems (CAMIS). Two of the fundamen...
Essam Mansour, Hagen Höpfner