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How to create a mapping ?
id date
101 2/4/2008
101 4/4/2008
102 6/4/2008
102 4/4/2008
103 4/4/2008
104 8/4/2008
O/P - shud have only one id with the min(date)
How to create a mapping for this
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Answer Posted / kalyan
I guess the below logic will solve this question..
Sq -> Expression T/R -> Aggr t/r -> Target
Create a constant port in Expression t/r and then pass the 3
fields id, date & const port to the aggregate t/r... Create
a new port calculating mindate.. Now do a group by on the
Const field ; connect id & min Date fields to the Target...
FYI, If u don't apply group by on any column of the table ;
can not calculate the Aggr values...
Please correct me if I am wrong...
| Is This Answer Correct ? | 1 Yes | 7 No |
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