Thank you Patrik, We taken the approach like below. 1st source SAS table(Fresh 36 months data) - Target History SAS table(need to extract only 1 month data ie last 36th month data) Please help me to get only last 36th month data into target table. Every month source will get 3 years of data(36 months data). Need to extract last one month(36th month data to target table). 2nd and 3rd SAS source tables(Fresh 1 month data) - Target history SAS tables will take one month data before loading fresh data into source tables. Please help me to move data every month to history and next month it has to append. Please help me for these two approaches. Thanks in advance
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