90 likes | 331 Views
Oracle Discoverer Introduction. What have we learned so far?. Designer: Star Schema Design. Builder: Populate the data warehouse. ?. It’s Show Time!. Discoverer: a data access tool To help business professionals view the data they want from a data warehouse
E N D
What have we learned so far? Designer: Star Schema Design Builder: Populate the data warehouse ?
It’s Show Time! • Discoverer: a data access tool • To help business professionals view the data they want from a data warehouse • To analyze data for supporting business decisions • To create reports to track business performance • Data Access Process
Architecture User Edition Administrator Edition Workbook Workbook Business Area Business Area End User Layer Data Warehouse
Concepts • End User Layer (EUL) • provides an intuitive, business-focused view of the data warehouse • Business Area • a set of folders containing related information with a common business purpose
Concepts (cont.) • Workbook • A collection of worksheets for a specific task • Worksheet • An OLAP report for particular purpose
Administrator Edition • Build and maintain EUL • Build and manage business area • User specific view of data • Create and manage attribute hierarchy for drill up and drill down
User Edition • Use EUL and Business Area to generate • OLAP report • Ad hoc query • Drill up and drill down analysis