Difficult Testing Questions and How To Answer Them

Description

• exposé

1Difficult Testing Questions and How To Answer Them Michael Bolton DevelopSense STAR East May 2009 Updates • This presentation is ALWAYS under construction • Updated slides at

• buried assumptions
• difficult questions
• multiple paths of causation
• assimilation bias
• difficult testing questions
• binary thinking error
• causation after the facts
• common thinking errors
• confusing unpredictability
• something

Sujets

• Exposé
• Bolton
• Copeland
• Weinberg
• Causation
• Thought
• Difficulty
• Mental confusion
• Testing
• Something
• Assumption

Informations

• Publié par: chiob
• Nombre de lectures: 15
• Langue: English
• Poids de l'ouvrage: 2 Mo

Extrait

Getting Started
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this documentation at any time without notice.Table of Contents
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
About This Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii
Document Conventions . . . . xii
Other Informatica Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Visiting Informatica Customer Portal . . . . . . xiii
Visiting the Informatica Web Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Visiting the Informatica Developer Network . . . . . . . xiii
Visiting the Informatica Knowledge Base . . . . . . . . . . . . . . . . . . . . . . . xiii
Obtaining Technical Support . . . . . . . . . . . . xiii
Chapter 1: Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Getting Started . . . . 2
Using the PowerCenter Client in the Tutorial . . . . . . . . . . . . . . . . . . . . . 3
Connecting to Databases . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Chapter 2: Tutorial Lesson 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Creating Repository Users and Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Connecting to the Repository . . . . . . . . . . . . . . 8
Creating a Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Assigning Privileges to a Group . . . . . . . . . . . . 11
Creating a User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Creating a Folder . . . . . . . . . . . . 14
Folder Permissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Creating Folders in This Tutorial . . . . . . . . . . 14
Creating Source Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
What Comes Next . . . . . . . .. . . . . . . . . . 19
Chapter 3: Tutorial Lesson 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Creating Source Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
iiiViewing Source Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Creating Target Definitions and Target Tables . . .27
Creating Target Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Creating Target Tables . . . . . . . . . . .29
What Comes Next . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Chapter 4: Tutorial Lesson 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Creating a Pass-Through Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Creating a Mapping . . . . . . . . . . . . .35
Connecting Transformations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Creating Sessions and Workflows . . . . . . .38
Configuring Database Connections in the Workflow Manager . . . . . . . . .39
Creating a Reusable Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Creating a Workflow. . . . . . . . . . . . .44
Running and Monitoring Workflows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Opening the Workflow Monitor . . . .47
Running the Workflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
What Comes Next . . . . . . . . . .50
Chapter 5: Tutorial Lesson 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Using Transformations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Creating a New Target Definition and Target . . . .54
Creating a Target Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Creating a Target Table . . . . . . . . . . .57
Creating a Mapping with Aggregate Values . . . . . . . . . . . . . . . . . . . . . . . . . .58
Creating a Mapping with T_ITEM_SUMMARY . . . . .58
Creating an Aggregator Transformation . . . . . . . . . . . . . . . . . . . . . . . . .58
Creating an Expression Transformation . . . . .63
Creating a Lookup Transformation . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Connecting the Target . . . . . . . . . . . . . . . . .66
Designer Tips . . . . .