【題組】37.執行 SELECT FIRST.S# , SECOND.S# FROM S FIRST , S SECOND WHERE FIRST. CITY = SECOND. CITY AND F
問題詳情
【題組】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