0 votes 0 votes Suppose R is a table with 4 attributes A,B, C and D, and S be a table with 3 attributes B, E, F. Now given a particular instance of R and S. S is empty, having no tuples. What is the correct no of tuples in the Result of given Query _____ sim1234 asked Dec 21, 2018 sim1234 715 views answer comment Share Follow See all 6 Comments See all 6 6 Comments reply Show 3 previous comments Nilabja Sarkar commented Dec 21, 2018 reply Follow Share the table will contain set of those values of R which are related to every value of s {2,3,5} so none is related to every value of s so it will generate 0 as output 0 votes 0 votes aditi19 commented Apr 27, 2019 reply Follow Share I've a doubt. what do you mean by instance of R and S? is it intersection or cross product? as both will be NULL 0 votes 0 votes Grishma commented Sep 30, 2021 reply Follow Share answer : 3 0 votes 0 votes Please log in or register to add a comment.