'Operational databases' diaporamas de présentation

Data Warehousing & Data Mining Concepts

Data Warehousing & Data Mining Concepts. David Chrestman Evan Rakestraw Andy Stevens. Data Warehousing. A data warehouse is a collection of information with a supporting system that is: Intended for decision-support applications. Optimized for data retrieval, not transaction processing.

1.34k views • 95 slides

An Introduction to Data Warehousing

An Introduction to Data Warehousing. Yannis Kotidis AT&T Labs-Research. Roadmap. What is the data warehouse Multi-dimensional data modeling Data warehouse design the star schema, bitmap indexes The Data Cube operator semantics and computation Aggregate View Selection Other Issues.

527 views • 32 slides

Decision Support Systems and Executive Information Systems

Decision Support Systems and Executive Information Systems. Chapter 12 Information Systems Management In Practice 5E McNurlin & Sprague. What are Decision Support Systems?. Systems that support, not replace, managers in their decision-making activities

1.04k views • 27 slides

Chapter 1: The Database Environment

Chapter 1: The Database Environment. Modern Database Management Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden. Objectives. Definition of terms Explain growth and importance of databases Name limitations of conventional file processing Identify categories of databases

378 views • 24 slides

From Master Address List To GIS Enabled Data Warehouse

From Master Address List To GIS Enabled Data Warehouse. The Infrastructure. One Central GIS Map that Drives our Location Data One Central Database containing our Addresses and Location Data

344 views • 24 slides

Data Collection Using Database Sequencing

Data Collection Using Database Sequencing. Keith Brister CARS The University of Chicago. biocars.org. NIH/NCRR supported resource for protein and virus crystallography managed by The University of Chicago Monochromatic and MAD BSL-2 and BSL-3 capable Laue Time-resolved Crystallography.

369 views • 16 slides

Data Warehouses and OLAP Data Management

Data Warehouses and OLAP Data Management. Dennis Volemi D61/70384/2009 Judy Mwangoe D61/73260/2009 Jeremy Ndirangu D61/75216/2009. Scope. Introduction Define Data Warehouses Define OLAP and Differentiate with OLTP Benefits of Data warehouses.

398 views • 14 slides

FALL 2012 DSCI5240 Graduate Presentation

FALL 2012 DSCI5240 Graduate Presentation. By Xxxxxxx. Outline. Web Usage Mining. Definition and Goal Source and Type of data Data Collection and Pre-processing Data Modeling Discovery and Analysis of Web Usage Patterns. Web Usage Mining. Definition and Goal

194 views • 12 slides

Andreas Becks

207 views • 10 slides

Ryan Orr

Ryan Orr. Databases. How we use databases. Databases are used in many different ways, and there are many different types of databases a few of these are: Operational databases, Data warehouses, Analytic databases, Distributed databases.

326 views • 5 slides