'Line analytical processing' diaporamas de présentation

Lecture 3: Business Intelligence: OLAP, Data Warehouse, and Column Store

Lecture 3: Business Intelligence: OLAP, Data Warehouse, and Column Store. Why we still study OLAP/Data Warehouse in Big Data?. Understand the Big Data history How does the requirement of (big) data analytics/business intelligence evolve over the time?

1.46k views • 119 slides

Data Warehousing

Data Warehousing. Denis Manley Enterprise Systems FT228/3. Data Warehousing. A data warehouse is a repository for all an organisations data. It is designed to present data in very user-friendly formats to end-users. Why is Data Warehousing necessary?

1.23k views • 78 slides

From Transaction Processing to Support for Decision Making

641 views • 64 slides

OLAP in DWH

425 views • 42 slides

OLAP in DWH

557 views • 41 slides

OLAP in DWH

598 views • 41 slides

Data Warehousing & OLAP

421 views • 39 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

Data Warehousing & OLAP

535 views • 31 slides

Data Warehousing

Data Warehousing. Data Rich, but Information Poor. Data is s tored , not explored : by its volume and complexity it represents a burden, not a support Data overload results in uninformed decisions, contradictory information, higher overhead, wrong decisions, increased costs

450 views • 31 slides

Data Mining Concepts and Techniques Course Presentation by Ali A. Ali

Data Mining Concepts and Techniques Course Presentation by Ali A. Ali Department of Information Technology Institute of Graduate Studies and Research Alexandria University (EGYPT) 2014. Data Warehouse.

399 views • 28 slides

Managing Information Systems

Managing Information Systems. Enhancing Management Decision Making Part 1 Dr. Stephania Loizidou Himona ACSC345. Objectives. To understand types of decision-support systems To understand the components of a decision-support system. Decision-support Systems.

334 views • 21 slides