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select UID, EventID, Status, sum(case when lagstatus = Status then 0 else 1 end) as status_counter INTO #tbl1 from (select t.*, lag(Status) over (partition by UID order by EventID) as lagstatus from TABLE_MAIN t ) t GROUP BY UID,EventID, Status select UID, EventID ,ROW_NUMBER() OVER(PARTITION BY UID ORDER BY EventID) as COUNTER into #FinalTable2 from #FINALTABLE1 where status_counter=1 Select f1.*,COUNTER from TABLE_MAIN f1 left join #tbl1 f2 ON f1.UID= f2.UID and f1.EventID=f2.EventID I did the above steps &Then I copied the Counter to other null values which were resulted by left join

Bob
– Bob

2015-09-17 04:27:25 +00:00
Commented Sep 17, 2015 at 4:27

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