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Wednesday, 17 February 2016

1.Filter Transformation

 Filter is a active connected transformation it is applicable only for one condition i.e we can apply only one condition using filter,it is nothing but where in sql
It consists of 


Ports:-Input port,output port
Properties:-Filter Condition
 Scenario:-
  srce:emp
  tgt:emp_tgt
Requirement: need to load only deptno=10 values into target table 




  
After that create workflow and generate it  the o/p should be displayed as :

 


what are Passive Transformations?

The passive transformations are as follows:

1.Expression
2.Sequence Generator 
3.Lookup
4.Mapplet Output

what are the active transformations?

The active transformations are as follows:


1.Filter.
2.Router.
3.Lookup.
4.Joiner.
5.Sorter.
6.Rank.
7.Aggregator.
8.Router.
9.Mapplet Input.

2.Passive Transformation



Passive:             
 Transformations which does not change the number of rows passed through them, maintains the transaction boundary and row type are called passive transformation.