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DOLAP
2007
ACM
14 years 2 months ago
Deciding the physical implementation of ETL workflows
In this paper, we deal with the problem of determining the best possible physical implementation of an ETL workflow, given its logical-level description and an appropriate cost mo...
Vasiliki Tziovara, Panos Vassiliadis, Alkis Simits...
VLDB
1998
ACM
141views Database» more  VLDB 1998»
14 years 3 months ago
Bulk-Loading Techniques for Object Databases and an Application to Relational Data
We present a framework for designing, in a declarative and flexible way, efficient migration programs and an undergoing implementation of a migration tool called RelOO whose targe...
Sihem Amer-Yahia, Sophie Cluet, Claude Delobel
VLDB
1999
ACM
89views Database» more  VLDB 1999»
14 years 3 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
DEXA
2000
Springer
132views Database» more  DEXA 2000»
14 years 3 months ago
Improving the Performance of High-Energy Physics Analysis through Bitmap Indices
Abstract. Bitmap indices are popular multi-dimensional data structures for accessing read-mostly data such as data warehouse (DW) applications, decision support systems (DSS) and o...
Kurt Stockinger, Dirk Düllmann, Wolfgang Hosc...

Book
688views
15 years 9 months ago
Database Management Systems
A set of presentations covering the book, which includes the following topics ER Model and Conceptual Design, The Relational Model and SQL DDL, Relational Algebra, SQL, Database Ap...
Raghu Ramakrishnan, Johannes Gehrke