Consider the following relational schema: s (i, w, x) t (k, i, w) and the following...

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Consider the following relational schema: s (i, w, x) t (k, i, w) and the following tuples: s = {(1,5,3), (2,8,2)} t = {(4,1,7), (9,null,2), (5,0,5), (2,2,7)} Complete the SQL expression to yield the resultant below: SQL Expression a SELECT s.x 3 a FROM s, t WHERE RESULTANT S.W Consider the following relational schema: s (i, w, x) t (k, i, w) and the following tuples: s = {(1,5,3), (2,8,2)} t = {(4,1,7), (9,null,2), (5,0,5), (2,2,7)} Complete the SQL expression to yield the resultant below: SQL Expression a SELECT s.x 3 a FROM s, t WHERE RESULTANT S.W