The document discusses data warehouse architecture and decision support systems. It explains that data warehouses typically use a relational database as the warehouse database server, while OLAP servers can be either relational OLAP or multidimensional OLAP. It also outlines the three tiers of a complete decision support system including the data warehouse server, OLAP servers, and clients. Finally, it provides information on why Hyperion Essbase is a leader in business intelligence software.

1. BI, OLAP and Hyperion By Amir Nasiri 1 on 1 Consulting Firm LLC

2. Data Warehouse Architecture

3. Three-Tier Decision Support Systems Warehouse database server Almost always a relational DBMS, rarely flat files OLAP servers Relational OLAP (ROLAP): extended relational DBMS that maps operations on multidimensional data to standard relational operators Multidimensional OLAP (MOLAP): special-purpose server that directly implements multidimensional data and operations Clients Query and reporting tools Analysis tools Data mining tools

4. Data Flow in OLAP Multi-dimensional access Multidimensional Viewer Relational Viewer Client MDBMS Server Multi- dimensionaldata SQL-Read RDBMS Server User data Meta data Derive d data SQL-Reach Through SQL-Read

5. The Complete Decision Support System Information Sources Data Warehouse Server (Tier 1) OLAP Servers (Tier 2) Clients (Tier 3) Operational DB’s Semistructured Sources extract transform load refresh etc. Data Marts Data Warehouse e.g., MOLAP e.g., ROLAP serve OLAP Query/Reporting Data Mining serve serve

19. Why Hyperion Essbase? Assist associates in creating and accessing forecasting analysis at the speed of thought. Hyperion is a global leader in business intelligence software. Hyperion helps managers succeed by helping their companies achieve greater performance and profitability. Business leaders use Hyperion products and services to plan, manage and execute on strategies by analyzing information on e-business initiatives, supply chain execution, customers, operations and finance.

20. Why Hyperion Essbase? The company's market-leading Hyperion(R) Essbase(R) technology, packaged business analysis applications and tools are used by more than 6,000 organizations worldwide, including 86 of the Fortune 100, 64 of the Nikkei Top 100 in Japan and more than 40 of the Financial Times European Top 100. In addition, more than 400 Hyperion alliance partners deliver technology, applications and services to increase the flexibility and choice for customers. Headquartered in Sunnyvale, California, the company has offices in 22 countries.

21. Contact Amir Nasiri 1 on 1 Consulting Firm LLC