'Multidimensional olap' diaporamas de présentation

Decision support systems for E-commerce

Decision support systems for E-commerce. Decision support systems for EC. DSS: help the knowledge worker (executive, manager, analyst) make faster and better decisions what were the sales volumes by region and product category for the last year?

879 views • 37 slides

Chapter 11: Data Warehousing

Chapter 11: Data Warehousing. Modern Database Management 7 th Edition Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden. Objectives. Definition of terms Reasons for information gap between information needs and availability Reasons for need of data warehousing

638 views • 33 slides

The Multidimensional Model & OLAP(II)

The Multidimensional Model & OLAP(II). Developed by: Dr Eddie Ip Modified by: Dr Arif Ansari. Outline. OLAP issues Two implementations of OLAP MOLAP & ROLAP Multi-tier architecture Managed query environment Lab session : Transformer. OLAP: issues. Calculation of the number of cells

260 views • 24 slides

Qlikview vs OLAP Presented By Quontra Solutions

352 views • 16 slides

Online Analytical Processing (OLAP)

Enterprise Resource P lanning. Online Analytical Processing (OLAP) . What is OLAP?. Basic idea : converting data into information that decision makers need. Concept: Used to analyze data by multiple dimension in a structure called data cube. Data cube structure:. History:.

2.55k views • 15 slides

On-Line Analytic Processing

On-Line Analytic Processing. Chetan Meshram Class Id:221. Agenda. Introduction Multidimensional View of OLAP Data Star Schemas Examples Slicing and Dicing References. Introduction - OLAP. Provides quick answers to analytical queries that are multi-dimensional in nature.

239 views • 14 slides

Online Analytical Processing (OLAP)

Online Analytical Processing (OLAP). Anjali Gupta Mithun Arora Aameek Singh Kranthi Kumar. Introduction. OLAP designates a category of applications and technologies that allow the collection, storage, manipulation and reproduction of multidimensional data, with the goal of analysis.

336 views • 11 slides