1 votes 1 votes Aditya Bahuguna asked Jan 6, 2018 Aditya Bahuguna 440 views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply saxena0612 commented Jan 6, 2018 reply Follow Share $2$ tuples RC and RA both work on sets and therefore remove duplicate elements. 0 votes 0 votes joshi_nitish commented Jan 6, 2018 reply Follow Share it will return 2 tupples viz. DS, CN 0 votes 0 votes Aditya Bahuguna commented Jan 6, 2018 reply Follow Share but the tuples as a whole are different 0 votes 0 votes joshi_nitish commented Jan 6, 2018 reply Follow Share but it is projecting only attribute 'Title' 0 votes 0 votes Anu007 commented Jan 6, 2018 reply Follow Share Project title first and then check for each row. 0 votes 0 votes Please log in or register to add a comment.