DSXchange

can anybody explain about message handler

sure..

id,name,grade
grade has groups of data like a,a,a b,b,b c,c,c
target system should have addtional surr key column with respect to grade

i have soure records like this: target should be like this: a -------------------------------- 1 a a--------------------------------- 2 a a--------------------------------- 3 a b--------------------------------- 1 b b--------------------------------- 2 b b--------------------------------- 3 b c-----...