試題詳解

8.哪一個陳述式的執行結果是建立索引？
(A)CREATE TABLE Employee {Employee IDINTEGER PRIMARYKEY}
(B)CREATETABLEEmployee {EmployeeID INTEGER INDEX}
(C)CREATETABLEEmployee {EmployeeIDINTEGER NULL}
(D)CREATETABLEEmployee EmployeeIDINTEGER DISNNCT}