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» On querying versions of multiversion data warehouse
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SAC
2004
ACM
13 years 10 months ago
Creation and management of versions in multiversion data warehouse
A data warehouse (DW) provides an information for analytical processing, decision making, and data mining tools. On the one hand, the structure and content of a data warehouse ref...
Bartosz Bebel, Johann Eder, Christian Koncilia, Ta...
SIGMOD
1997
ACM
159views Database» more  SIGMOD 1997»
13 years 9 months ago
On-Line Warehouse View Maintenance
Data warehouses store materialized views over base data from external sources. Clients typically perform complex read-only queries on the views. The views are refreshed periodical...
Dallan Quass, Jennifer Widom
ICDE
2002
IEEE
102views Database» more  ICDE 2002»
14 years 6 months ago
Cost Models for Overlapping and Multi-Version B-Trees
Overlapping and multi-version techniques are two popular frameworks that transform an ephemeral index into a multiple logical-tree structure in order to support versioning databas...
Yufei Tao, Dimitris Papadias, Jun Zhang
ICDE
2007
IEEE
116views Database» more  ICDE 2007»
14 years 6 months ago
X-Time: Schema Versioning and Cross-Version Querying in Data Warehouses
In this demo we present X-Time, a prototype for managing schema versioning in relational data warehouses, specifically oriented to support the formulation of crossversion queries,...
Stefano Rizzi, Matteo Golfarelli