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BIRT 2.6 Data Analysis and Reporting

You're reading from   BIRT 2.6 Data Analysis and Reporting Create, Design, Format, and Deploy Reports with the world's most popular Eclipse-based Business Intelligence and Reporting Tool

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Product type Paperback
Published in Jul 2010
Publisher Packt
ISBN-13 9781849511667
Length 360 pages
Edition 1st Edition
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Author (1):
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John Ward John Ward
Author Profile Icon John Ward
John Ward
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Table of Contents (15) Chapters Close

BIRT 2.6 Data Analysis and Reporting
Credits
About the Author
About the Reviewers
1. Preface
1. Getting Started 2. Installing BIRT FREE CHAPTER 3. The BIRT Environment and First Report 4. Visual Report Items 5. Working with Data 6. Report Parameters 7. Report Projects and Libraries 8. Charts, Hyperlinks, and Drilldowns 9. Scripting and Event Handling 10. Deployment

Aggregations


Aggregations are a way to take data as a whole and apply calculations to them, such as counts or sums of data columns. New to BIRT 2.3+ is the aggregation visual component. In newer versions of BIRT, the developers have broken away from the older, scripting based aggregations. With improvements made in the 2.5 series, it is now possible to do some very powerful and interesting things such as using aggregations in groupings for charts, which wasn't possible in BIRT before. Let's take a look at how to build a simple count aggregation for the employees in our offices.

  1. 1. Create a new report titled employeeGroupCount.rptDesign.

  2. 2. Create a new Data Source off the Classic Models sample database.

  3. 3. Create a new dataset called dsEmployeeOffices using the following query:

    select
    EMPLOYEES.EMPLOYEENUMBER,
    OFFICES.OFFICECODE,
    OFFICES.CITY,
    OFFICES.STATE
    from
    EMPLOYEES,
    OFFICES
    where
    OFFICES.OFFICECODE = EMPLOYEES.OFFICECODE
    
  4. 4. Right-click on dsEmployeeOffices and select Insert in Layout...

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