1 votes 1 votes rajoramanoj asked Sep 24, 2017 rajoramanoj 259 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply stblue commented Sep 24, 2017 reply Follow Share a seems to be correct here. 0 votes 0 votes rajoramanoj commented Sep 26, 2017 reply Follow Share can you explain in detail 0 votes 0 votes Please log in or register to add a comment.
Best answer 2 votes 2 votes Lets take an example So from above example you can observe that 1 and 2 relational algebra produce same result, where as 3 produce different result, So option a is correct here. stblue answered Sep 26, 2017 • selected Sep 26, 2017 by rajoramanoj stblue comment Share Follow See all 0 reply Please log in or register to add a comment.