By using Transformation i need top most 5 employee salary
from each deptwise? Deptno 10,20,30? which transformation
we need to use?
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Answer Posted / gd
First override source qualifier
Select * from emp where deptno in(10,20,30);
Next sorter T/r sort on salary column desc
Then rank T/r set rank properties top and number of ranks is 5
target achieved
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