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Informatica - What is difference between joiner and union transformation?

asked marvit September 20, 2014 08:04 AM  

What is difference between joiner and union transformation?


1 Answers

answered By Mswami   0  



Using joiner we can remove duplicate rows

Union will not remove duplicate rows

Joiner can be Normal,Right Outer,Left Outer,Full Outer Join

Union is equivalent to UNION ALL in SQL

In Joiner we have one input group and one output group

In Union we have multiple input groups and one output group.

Joiner implemented by using Joiner Transformation in Informatica.

Union implemented by using Union Transformation in Informatica

Joiner Transformation combines data record horizontally based on a join condition

Union Transformation combines data record vertically from multiple sources

Joiner supports both homogeneous and heterogenous

Union also supports hetregeneous(different sources)

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