0 votes 0 votes Databases tuple-relational-calculus + – joshi_nitish asked Jun 20, 2017 • retagged Jul 10, 2019 by Cristine joshi_nitish 634 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply joshi_nitish commented Jun 20, 2017 reply Follow Share which of the above queries are equivalent?? 0 votes 0 votes Arnab Bhadra commented Jun 20, 2017 reply Follow Share What is the question? 0 votes 0 votes Please log in or register to add a comment.
