0 votes 0 votes i got 2 tuples but answer given is 3 Databases sql + – set2018 asked Nov 10, 2017 set2018 565 views answer comment Share Follow See all 10 Comments See all 10 10 Comments reply Show 7 previous comments just_bhavana commented Nov 10, 2017 reply Follow Share @set2018 here where condition is redundant as EXISTS is returning true always 1 votes 1 votes joshi_nitish commented Nov 10, 2017 reply Follow Share @set2018 it is just like c=1 || a+b-(c&&d) ; why to check second operand of OR(||), when you know first operand always make it true, no matter what is second operand 1 votes 1 votes set2018 commented Nov 10, 2017 reply Follow Share thnq just_bhavana & joshi_nitish got the mistake 1 votes 1 votes Please log in or register to add a comment.