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Oracle Discoverer Administrator's Guide

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Oracle DiscovererTM Administration Edition

Administration Guide

Release 4.1 For Windows

December 2000 Part No. A86730-01

Oracle Discoverer Administration Edition Administration Guide Release 4.1 For Windows Part No. A86730-01 Copyright 2000, Oracle Corporation. All rights reserved. The Programs (which include both the software and documentation) contain proprietary information of Oracle Corporation; they are provided under a license agreement containing restrictions on use and disclosure and are also protected by copyright, patent, and other intellectual and industrial property laws. Reverse engineering, disassembly, or decompilation of the Programs is prohibited. The information contained in this document is subject to change without notice. If you find any problems in the documentation, please report them to us in writing. Oracle Corporation does not warrant that this document is error free. Except as may be expressly permitted in your license agreement for these Programs, no part of these Programs may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of Oracle Corporation. If the Programs are delivered to the U.S. Government or anyone licensing or using the programs on behalf of the U.S. Government, the following notice is applicable: Restricted Rights Notice Programs delivered subject to the DOD FAR Supplement are "commercial computer software" and use, duplication, and disclosure of the Programs, including documentation, shall be subject to the licensing restrictions set forth in the applicable Oracle license agreement. Otherwise, Programs delivered subject to the Federal Acquisition Regulations are "restricted computer software" and use, duplication, and disclosure of the Programs shall be subject to the restrictions in FAR 52.227-19, Commercial Computer Software - Restricted Rights (June, 1987). Oracle Corporation, 500 Oracle Parkway, Redwood City, CA 94065. The Programs are not intended for use in any nuclear, aviation, mass transit, medical, or other inherently dangerous applications. It shall be the licensee's responsibility to take all appropriate fail-safe, backup, redundancy, and other measures to ensure the safe use of such applications if the Programs are used for such purposes, and Oracle Corporation disclaims liability for any damages caused by such use of the Programs.

Oracle and SQL*Plus are registered trademarks of Oracle Corporation, Redwood City, California. Oracle Discoverer, Discoverer, Oracle Discoverer/2000, End User Layer, are trademarks of Oracle Corporation, Redwood City, California. All other company or product names are used for identification purposes only and may be trademarks of their respective owners.

ContentsSend Us Your Comments ................................................................................................................. xix Preface.......................................................................................................................................................... xxi 1 Discoverer Overview1.1 1.2 1.2.1 1.2.2 1.2.3 1.2.4 1.2.5 1.2.6 1.2.7 1.2.7.1 1.3 1.4 1.4.1 1.4.2 New Discoverer Features ......................................................................................................... Why do you need Discoverer? ................................................................................................. Discoverers Components ................................................................................................. Discoverer Plus ................................................................................................................. Discoverer 4i Plus ............................................................................................................. Discoverer 4i Viewer ........................................................................................................ Administration Edition...................................................................................................... End User Layer (EUL) ...................................................................................................... What is a Business Area?.................................................................................................. Business Area Terminology....................................................................................... Discoverer Features and Benefits............................................................................................. Your Role as Discoverer Administrator................................................................................... Before You Begin ........................................................................................................... Next Steps ....................................................................................................................... 1-1 1-2 1-2 1-5 1-5 1-5 1-5 1-5 1-6 1-7 1-8 1-9 1-10 1-10

2 Setting Up the Database2.1 2.1.1 2.1.2 Scheduled Workbooks.............................................................................................................. 2-1 Confirming that DBMS_JOBS is Installed....................................................................... 2-1 Specifying Result Set Storage........................................................................................... 2-2

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2.1.2.1 Storing the Result Set in the Users Schema.............................................................. 2.1.2.2 Storing the Result Set in the centralized Repository Users Schema ........................ 2.1.3 Setting the Start Time for Workbook Processing.............................................................. 2.2 Summary Management............................................................................................................. 2.2.1 Confirming that DBMS_JOBS is Installed ....................................................................... 2.2.2 Privileges........................................................................................................................... 2.2.3 Determining Tablespace Quotas ....................................................................................... 2.2.4 Checking Object/Schema Name........................................................................................ 2.2.5 Setting the Start Time for Summary Processing ............................................................... 2.2.5.1 Limiting the Number of Processing Requests that can Run Simultaneously ............ 2.3 Query Prediction....................................................................................................................... 2.3.1 Enabling Query Prediction ................................................................................................ 2.3.1.1 What to do if Certain Views (SYS.V$xxx) are not Available ................................... 2.3.1.2 To Check the timed_statistics Parameter ................................................................. 2.3.1.3 To Analyze Tables ................................................................................................... 2.3.1.4 To Check the optimizer_mode Parameter................................................................ 2.3.2 Reducing Long Query Prediction Times.........................................................................

2-2 2-3 2-4 2-5 2-5 2-6 2-7 2-8 2-8 2-8 2-9 2-9 2-9 2-10 2-10 2-11 2-12

3 Getting Started3.1 3.2 3.3 3.3.1 3.3.2 3.3.2.1 3.3.2.2 3.3.2.3 3.3.2.4 3.4 3.5 Starting Discoverer Administration Edition ............................................................................. Connecting to the Database ...................................................................................................... The Work Area ......................................................................................................................... Context-sensitive Menus in the Work Area ...................................................................... Pages of the Work Area Window...................................................................................... Using the Data Page ................................................................................................... Using the Hierarchies Page ...................................................................................... Using the Item Classes Page .................................................................................... Using the Summaries Page ...................................................................................... Toolbar Icons.......................................................................................................................... Using the Help Menu.............................................................................................................. 3-1 3-1 3-5 3-7 3-8 3-8 3-12 3-14 3-18 3-19 3-20

4 Tutorial4.1 4.1.1 4.2 Lesson 1: Creating a private End User Layer........................................................................... 4-2 Create a private End User Layer ....................................................................................... 4-2 Lesson 2: Using the Load Wizard ............................................................................................ 4-7

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4.2.1 4.2.2 4.2.3 4.2.4 4.2.5 4.3 4.4 4.4.1 4.4.2 4.5 4.5.1 4.5.2 4.5.3 4.6 4.6.1 4.6.2 4.7 4.7.1 4.8 4.8.1 4.8.2 4.8.3 4.8.4 4.8.5 4.9 4.9.1 4.9.2 4.10 4.10.1 4.10.2 4.10.3 4.10.4 4.10.5 4.11 4.11.1

Identifying the Source Location for the Business Area .................................................... Selecting the User IDs and Tables .................................................................................... Selecting Tables and Views to Load into the Business Area...........................

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