0 votes 0 votes Shadan Karim asked Dec 13, 2018 Shadan Karim 477 views answer comment Share Follow See all 9 Comments See all 9 9 Comments reply Show 6 previous comments Lakshman Bhaiya commented Dec 14, 2018 reply Follow Share see the above image,you will understand. 0 votes 0 votes Rutvik Reshamwala commented Dec 14, 2018 reply Follow Share To maintain Lossless Join requirement R4 is needed. 0 votes 0 votes Hemanth_13 commented Dec 14, 2018 reply Follow Share It not necessarily be CDH, it can be HDE or HCE as well. Correct me if I'm wrong 1 votes 1 votes Please log in or register to add a comment.