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In which conditions we can not use joiner transformation (Limitations of joiner transformation)?



                                                                                                                                                                      
Scenario:
In which conditions we can not use joiner transformation (Limitations of joiner transformation)?

Solution:

1. When our data comes through Update Strategy transformation or in other words after Update strategy we cannot add joiner transformation
2. We cannot connect a Sequence Generator transformation directly before the Joiner transformation.
The Joiner transformation does not match null values. For example if both EMP_ID1 and EMP_ID2 from the example above contain a row with a null value the PowerCenter Server does not consider them a match and does not join the two rows. To join rows with null values you can replace null input with default values and then join on the default values.


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