
Tin12
Authored by Le Thanh Long
Instructional Technology
12th Grade
Used 1+ times

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55 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. Mô hình phổ biến để xây dựng CSDL quan hệ là:
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2. Các khái niệm dùng để mô tả các yếu tố nào sẽ tạo thành mô hình dữ liệu quan hệ?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3. Chọn cụm từ thích hợp điền vào chỗ trống:
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4. Về mặt cấu trúc, dữ liệu của Cơ sở dữ liệu quan hệ được thể hiện trong đối tượng nào sau đây?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5. Giả sử có bảng HOC_SINH có các trường: Ma_HS, Hodem, Ten, Ng_Sinh, Diem_Toan, Diem_Ly, Diem_Hoa, Diem_Văn, Diem_Tin gồm 5 bản ghi
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6. Phát biểu nào về hệ QTCSDL quan hệ là đúng?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7. Thuật ngữ “quan hệ” dùng trong hệ CSDL quan hệ là để chỉ đối tượng:
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