How to set row- or column-level tracking for an article (Enterprise Manager)

1. In the Create Publication Wizard, on the Specify Articles page, click the Table you plan to use as an article in your merge publication.
   
   
2. Click the properties (...) button for the selected table.
   
   
3. On the Properties page for the article, on the General tab, under When merging changes from different sources, click Treat changes to the same row as a conflict for row-level tracking, or click Treat changes to the same column as a conflict (changes to different columns in the same row will be merged) for column-level tracking.