37.執行SELECT FIRST.S# , SECOND.S# FROM S FIRST , S SECOND
            WHERE FIRST. CITY = SECOND. CITY
            AND FIRST.S# < SECOND. S#;
結果資料表中有幾筆資料?
(A) 0
(B) 1
(C) 2
(D) 3
(E) 4

答案：登入後查看
統計： A(0), B(8), C(1), D(0), E(0) #2517874