
ktra cuối kì tin 11
Quiz
•
Information Technology (IT)
•
11th Grade
•
Practice Problem
•
Easy
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53 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Khái niệm nào sau đây mô tả đúng về liên kết bảng trong CSDL?
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Mối quan hệ "Một - Một" (1-1) giữa hai bảng được hiểu như thế nào?
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Mối quan hệ "Nhiều - Nhiều" (∞-∞) giữa hai bảng có bền vững hay không?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Lựa chọn kết nối "Inner Join" có tác dụng gì?
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong Access, để mở cửa sổ tạo liên kết giữa các bảng, ta chọn:
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Để thiết lập mối quan hệ giữa hai bảng trong Access, ta cần:
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Truy vấn CSDL là:
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