August 2017
Beginner to intermediate
426 pages
9h 36m
English
Content preview from Learning Informatica PowerCenter 10.x - Second Edition
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Aggregator transformation
Aggregator transformation is used for calculations using aggregate functions on a column as against in expression transformation, which is used for row-wise manipulation.
You can use aggregate functions such as SUM, AVG, MAX, MIN in aggregator transformation.
Scenario for aggregator transformation: Use the EMPLOYEE oracle table as the source, and get the sum of salaries of all the employees in the target.
Perform the following steps to achieve the functionality:
- Import the source using the Employee Oracle table in the Source Analyzer, and create Target TGT_TOTAL_SALARY in Target Designer.
- Create mapping m_AGG_TOTAL_SALARY, and drag the source and target from the Navigator to Workspace. Create the aggregator transformation ...
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