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» Using Queries to Improve Database Reverse Engineering
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ICDE
2009
IEEE
120views Database» more  ICDE 2009»
15 years 11 months ago
Improving Transaction-Time DBMS Performance and Functionality
Immortal DB is a transaction time database system that is built into a commercial database system rather than being layered on top. This enables it to have performance that is very...
David B. Lomet, Feifei Li
SIGMOD
2001
ACM
124views Database» more  SIGMOD 2001»
15 years 9 months ago
Query Optimization In Compressed Database Systems
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
Zhiyuan Chen, Johannes Gehrke, Flip Korn
DEXA
2000
Springer
98views Database» more  DEXA 2000»
15 years 2 months ago
Optimal Page Ordering for Region Queries in Static Spatial Databases
Page ordering is to define the order of pages in one-dimensional storage for storing two-dimensional spatial data to reduce the number of disk seeks. Previous works relating to pag...
Daesoo Cho, Bonghee Hong
VLDB
2004
ACM
73views Database» more  VLDB 2004»
15 years 3 months ago
Multi-objective Query Processing for Database Systems
Query processing in database systems has developed beyond mere exact matching of attribute values. Scoring database objects and retrieving only the top k matches or Pareto-optimal...
Wolf-Tilo Balke, Ulrich Güntzer
SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
14 years 11 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...