試題詳解

9. 若要建立一個名為 Student 的資料表，其中包含 Name, Address 及Department 三個欄位，而 Name 欄位中的資料不允許虛值(Null Value)，試問以下那個 SQL 查詢可達到上述要求的功能？
(A)CREATE TABLEStudent (Name char(20) Not Null, Address char(50), Department char(20));
(B)INSERT INTO Student (Name char(20) Not Null, Address char(50),Department char(20));
(C)ADD TABLE Student (Name char(20) PRIMARYKEY, Address char(50), Department char(20));
(D)CREATE TABLE Student(Name char(20) Unique, Address char(50), Department char(20)) 。