Each row of the following table shows two queries. In the blank third column of the table write "YES" if the two queries are equivalent, and "NO" if they are not equivalent. 5. All queries refer to a schema containing two relations: R(A, B) where A is a key and B is a key. S(A, B) where A is a key. You may assume the relations do not contain NULL values. Query 1 TA(R - S) TB(R- S) Query 2 TA(R) TA(S) TBR) TB(S) quiv.? select R . A from R,S where R.B=$.B select R.B from R,S where R. A-s. A select min(B) from R TB(R) select max (B) from R