Hi @sachin gupta ,
Thank you for posting query in Microsoft Q&A Platform.
You need to perform join using join transformation on both files and then use select transformation to select only desired rows.
Please check below detailed example implementation.
Step1: I have two csv files csv1(columns are dim1,x1,x2,x3) & csv2(columns are dim1,y1,y2,y3). I am going to generate file final with columns as dim1,x1,x2,x3,y1,y2,y3.
Step2: Added both csv files as source transformations in dataflow.
Setp3: Join transformation to join both csv file columns. If you don't have unique column to join then add surrogate key transformation on both sources and then join based that key column.
Step4: Select transformation to consider only required columns.
Hope this will help. Please let us know if any further queries. Thank you.
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