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Thursday, April 24, 2014
DataStage Scenario Problem ­­> DataStage Scenario ­ Problem5
Solution Design :
a) Job Design :
Below is the design which can achieve the output as we needed. Here, we are reading seq file as a input, then data is passing through a Sort and
Transformer stage to achieve the output.
b) Sort Stage Properties
In Sort stage, we will sort the data based on column “Char” in ascending order.
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2.
c) Transformer Stage Properties
Here, we took 2 stage variable : StageVar, StageVar1, StageVar2
and their derivations are ­
StageVar = If StageVar1=DSLink6.Char Then StageVar+1 Else1
StageVar1 = DSLink6.Char
Create a new column in output which contains the Occurrence of characters and assigned the StageVar.
Occurrence = StageVar
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3. e) OutPut File
In Output file, We will use the in­line sorting to sort the data on "Occurrence" column in ascending order.
no, char, occurrence
1,a,1
3,a,2
5,a,3
6,a,4
8,a,5
2,b,1
4,b,2
7,b,3
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By ETL DataStage at 08:05 0 Comments
Labels: Data, DataSet, DataStage, design, develop, duplicate, input, output, problem, sort, stages, transformer
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