in datastage interview qustion
source target
------- -------
12345 1
2
3
4
5
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Answer Posted / subbuchamala
SRC-->TFM--->TGT
in TFM, Use Stage variables and Loop variables as below:
StageVar-->Len(Lnk.Source)===>this will give length of string of "Source" column. i.e.,
Source StageVar
12345 5
Next, in the Loop variable part:
Loop While==> @ITERATION<= StageVar
For input row, Loop will repeat until "Source" length(5) finishes.
Add new Loop variable-->LoopVar and put below derivation:
Left(Lnk.Source, @ITERATION)-->LoopVar
Next, in the Output Col Derivation:
LoopVar-->Target
Ex:
For 1st ITERATION: Left("12345", 1)==>1
For 2nd ITERATION: Left("12345", 2)==>2
....
....
Finally, you will required Output.
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