'Olap queries' presentation slideshows

Insight gaining from OLAP queries via data movies

1.07k views • 92 slides

Chapter 17

1.06k views • 91 slides

Adaptations to Peer to Peer Networks

607 views • 60 slides

OLAP and Data Mining

659 views • 44 slides

OLAP & Data Mining

OLAP & Data Mining. CS561-Spring 2012 WPI, Mohamed eltabakh. Online Analytic Processing OLAP. OLAP. OLAP: Online Analytic Processing OLAP queries are complex queries that Touch large amounts of data Discover patterns and trends in the data

679 views • 38 slides

Modelo Multidimensional

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Modelo Multidimensional

1.15k views • 35 slides

Incremental Maintenance for Non-Distributive Aggregate Functions

Incremental Maintenance for Non-Distributive Aggregate Functions. Themis Palpanas (U of Toronto) Richard Sidle Bobbie Cochrane Hamid Pirahesh. work done at IBM Almaden Research Center. Motivation. large amounts of data stored in databases often times data warehouses are used

369 views • 28 slides

OLAP

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276 views • 25 slides

OLAP Queries

OLAP Queries. Online Analytic Processing OLAP. OLAP. OLAP: Online Analytic Processing OLAP queries are complex queries that Touch large amounts of data Discover patterns and trends in the data Typically expensive queries that take long time Also called decision-support queries

263 views • 25 slides

Data Warehousing and Decision Support

Data Warehousing and Decision Support. Jianlin Feng School of Software SUN YAT-SEN UNIVERSITY. Introduction. Three Complementary Trends. Warehousing Issues. MOLAP vs. ROLAP. OLAP Queries. OLAP Queries (Contd.). Comparison with SQL Queries. The CUBE Operator. Design Issues.

285 views • 16 slides

25. Data Warehouses and Decision Support

25. Data Warehouses and Decision Support. Len Shapiro, for CS386, 11/2-3/05. Some slides taken from Ramakrishnan and Gherke, with permission. 25. Whs. Overview. Increasingly, organizations are analyzing current and historical data to identify useful patterns and support business strategies.

227 views • 14 slides