i have two coloumn
emp_no sal
1 3000
2 3000
3 3000
4 4000
5 5000
6 2700
7 4500
i just need output by removing duplicate.my answer should be
emp_no sal
1 3000
2 4000
3 5000
and so on.please tel me the transformation to use and if variable is used in expression then how can i give variable expression

Answer Posted / rayudu

First in the pre_session command task remove the duplicates
using the following

cut -d "," -f2 filename|uniq

Now in the file you will have

3000
4000
5000
2700
4500

now after source qualifier keep a expression and generate
the sequence.

Hope it clarifies

Regards,
rayudu

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