2299 search results - page 420 / 460 » Logical Data Expiration |
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
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 ...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
PODS
2004
ACM
14 years 7 months ago
2004
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
ICFP
2008
ACM
14 years 7 months ago
2008
ACM
ML modules provide hierarchical namespace management, as well as fine-grained control over the propagation of type information, but they do not allow modules to be broken up into ...
POPL
2010
ACM
14 years 5 months ago
2010
ACM
We describe a new automatic static analysis for determining upper-bound functions on the use of quantitative resources for strict, higher-order, polymorphic, recursive programs de...