2. Relation指令是Join指令的那一種合併型態
(A) Matched Records
(B) Unmatched Records
(C) Matched Records，All Primary Records
(D) Matched Records，All Secondary Records
(E) Matched Records，All Primary and All Secondary Records

答案：登入後查看
統計： A(2), B(0), C(42), D(1), E(4) #2877012