Book Image

Learning Informatica PowerCenter 10.x - Second Edition

By : Rahul Malewar
Book Image

Learning Informatica PowerCenter 10.x - Second Edition

By: Rahul Malewar

Overview of this book

Informatica PowerCenter is an industry-leading ETL tool, known for its accelerated data extraction, transformation, and data management strategies. This book will be your quick guide to exploring Informatica PowerCenter’s powerful features such as working on sources, targets, transformations, performance optimization, scheduling, deploying for processing, and managing your data at speed. First, you’ll learn how to install and configure tools. You will learn to implement various data warehouse and ETL concepts, and use PowerCenter 10.x components to build mappings, tasks, workflows, and so on. You will come across features such as transformations, SCD, XML processing, partitioning, constraint-based loading, Incremental aggregation, and many more. Moreover, you’ll also learn to deliver powerful visualizations for data profiling using the advanced monitoring dashboard functionality offered by the new version. Using data transformation technique, performance tuning, and the many new advanced features, this book will help you understand and process data for training or production purposes. The step-by-step approach and adoption of real-time scenarios will guide you through effectively accessing all core functionalities offered by Informatica PowerCenter version 10.x.
Table of Contents (20 chapters)
Title Page
Credits
About the Author
Acknowledgement
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Event tasks - Event Wait and Event Raise


Event is simply a functionality that you wish to implement in Workflow. Informatica Power Center has some system-defined events, and you can define user-defined events also.

There are two types of events:

  • Event Wait task: This is the task that waits for a particular event to occur. You can define the event for which the Event Wait task should wait. Once triggered, the Event Wait task will wait for an infinite duration of time for the specified event. As soon the event occurs, the event wait succeeds and triggers the next task in the workflow.
    • In the event wait task, you can define system-defined event (pre-defined event) or user-defined event.
  • Event Raise task: As against event wait, an event raise task triggers a particular event in the workflow.
    • You can define only user-defined events in the event raise task.
    • Informatica PowerCenter events can be of two types:

  • Predefined Event: This is also referred to as system-defined event. It is generally called...