Splitting and merging of file using sort

Hi,I have a file which contains 3 types of transactions with account number,transaction type and transaction creation date.The transaction types are 35,39 and 41.The file has duplicate records for all transactions(ie 2 records for each account number for each transaction).Now I need to remove the duplicate for the 39 type transaction alone and keep the remaining.That is only for the transaction type 39 the duplicate record(record with old transaction date) need to be removed and for the remaining transactions the duplicates need to be there.How to achieve this in a single sort step?

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Oct 19th, 2011
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ramu

Jun 27th, 2012

Use ksds files it will wont allow duplicates in this keys are used to eliminates the duplicates

Rishu

Jul 30th, 2014

It is not possible to do it in single SORT step. 2 steps are required. First, extract all 39 type transaction record using EXCLUDE statement. Second, remove duplicate from step 1 file with SUM FIELDS=NONE. Third, merge output from step1 and 2.

manikanta

Feb 15th, 2019

we can do it by ICETOOL by selecting the firs duplicate row only and rest of the rows based on the transtion type it will not copy.
SELECT FROM(IN) TO(OUT) ON(starting post,length,CH) USING(CTL1) FIRST - it will copy the first records only.