
數據庫重溫
Quiz
•
Computers
•
10th Grade
•
Hard
Ming Pui
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
下列哪項是數據庫中最小單位?
資料表
記錄
欄位
字符
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
下列哪項由高至低正確地顯示了數據層次的次序?
欄位 > 字符 > 記錄 > 資料表
記錄 > 資料表 > 字符 > 欄位
資料表 > 記錄 > 欄位 > 字符
資料表 > 記錄 > 字符 > 欄位
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
下列哪項是對字符數據類型的最佳描述?
它包含不用於計算的字母、數字和符號。
它貯存價格和百分數。
它是為「是 / 否」以及「真 / 假」類型的數據而設的。
它貯存用以將數據庫連結至網頁的URL。
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
下列哪項(些)有關數據庫的陳述是正確的?
(1) 同一資料表內所有名稱相同的欄位都具有相同的數據類型。
(2) 同一資料表內所有記錄都具有相同的欄位。
(3) 同一數據庫內所有資料表的記錄數目都是相同的。
只有 (1)
只有 (1) 和 (2)
只有 (2) 和 (3)
(1)、(2) 和 (3)
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
只有 (1)
只有 (3)
只有 (1) 和 (2)
只有 (2) 和 (4)
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Student (sID, name, loginID, password) 為 __________ 的例子。
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