Sciweavers

63 search results - page 9 / 13
» Improving the Efficiency of Database-System Teaching
Sort
View
DASFAA
2004
IEEE
169views Database» more  DASFAA 2004»
14 years 1 months ago
Statistic Driven Acceleration of Object-Relational Space-Partitioning Index Structures
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
JIIS
2008
104views more  JIIS 2008»
13 years 9 months ago
Transaction Management for Flash Media Databases in Portable Computing Environments
Flash memory is becoming a major database storage in building embedded systems or portable devices because of its non-volatile, shock-resistant, power-economic nature, and fast acc...
Siwoo Byun
PVLDB
2008
111views more  PVLDB 2008»
13 years 9 months ago
Semandaq: a data quality system based on conditional functional dependencies
We present SEMANDAQ, a prototype system for improving the quality of relational data. Based on the recently proposed conditional functional dependencies (CFDs), it detects and rep...
Wenfei Fan, Floris Geerts, Xibei Jia
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
14 years 10 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
ICDE
2009
IEEE
143views Database» more  ICDE 2009»
14 years 11 months ago
Auditing a Database under Retention Restrictions
Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...
Wentian Lu, Gerome Miklau