Oracle Discoverer Introduction

What have we learned so far? Designer: Star Schema DesignBuilder: 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 Data Warehouse End User Layer Business Area Workbook User Edition Administrator Edition

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