What are stage variables, derivations and constants?
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Can anybody tell me in detail any complex datastage job? I have worked only in direct load and full refresh jobs.But in all interviews this question arises
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i have 3 diffrent tables. 1) US rate data 2)CANADA rate data and 3)MEXICO rate data. All 3 tables have 6 collumns each. 4 collumns are commun to all tables and 2 are diffrent. Now at target i want single table say Country rate which will have (4+2+2+2+1 flag) 11 collumns. I will add a flag collumn which will indicate country and will put nullable collumns which are not common to other. How i can implement this in datastage?
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Why do you need stage variables?
1.new record it will insert but changes of natural key is not present in taget i want to update (here key is composite natural key )can any one help this to explan how to do
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