Results 201 to 210 of about 19,545 (258)

Matching Star Schemas

2011
Star schemas describe the structure and properties of multidimensional sources such as data marts and data warehouses. They have a simple structure and a predictable topology. We propose Star-Mod a representation of Star schema model described in UML and infer its instances from relational schemas.
Dariush Riazati, James A. Thom
openaire   +1 more source

A Review of Star Schema and Snowflakes Schema

2020
In the new age, digital data is the most important source of acquiring knowledge. For this purpose, collect data from various sources like websites, blogs, webpages, and most important databases. Database and relational databases both provide help to decision making in the future work.
M. Zafar Iqbal, Ghulam Mustafa, Nadeem Sarwar, Syed Hamza Wajid, Junaid Nasir, Shaista Siddque   +5 more
openaire   +1 more source

Implementation of Star Schemas from ER Model

International Journal of Database Theory and Application, 2015
A Star Schema is representation of a data warehouse which is used in strategic decision making and analysis. In this paper we present a method ER Diagram is converted into a star schema.
Gunjan Chandwani, Veepu Uppal
openaire   +1 more source

Mining frequent conjunctive queries in star schemas

Proceedings of the 2009 International Database Engineering & Applications Symposium on - IDEAS '09, 2009
We address the issue of mining frequent conjunctive queries in a relational database, a problem known to be intractable even for conjunctive queries over a single table. In this paper, we extend our previous work to projection-selection-join queries for which joins are performed along keys and foreign keys.
Jen, Tao-Yuan, Laurent, Dominique, Spyratos, Nicolas   +2 more
openaire   +2 more sources