
bai tap gk2
Authored by huong thi
Computers
11th Grade
Used 5+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đâu không phải là hệ QTCSDL?
ORACLE
MySQL
Microsoft Office
Microsoft SQL Sever
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi thiết lập khóa ngoài, để chọn bảng tham chiếu ta chọn ô?
Create database
Create new
Reference table
Foreign keys
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để truy xuất dữ liệu từ bảng "banthuam" với điều kiện cụ thể trên trường "idbannhac" có giá trị cần tìm là 1, ta thực hiện:
SELECT * FROM banthuam;
SELECT idbannhac, idcasi FROM banthuam WHERE idbannhac = 1;
SELECT * FROM banthuam ORDER BY idbannhac = 1;
SELECT * FROM banthuam WHERE idbannhac = 1;
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong bảng “casi”, muốn truy xuất các ca sĩ theo thứ tự tên từ A đến Z ta dùng ?
SELECT * FROM casi WHERE tencasi LIKE '%Hoa%';
SELECT * FROM casi WHERE idcasi = 1;
SELECT * FROM casi ORDER BY tencasi ASC;
SELECT * FROM casi WHERE tencasi LIKE 'N%';
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muốn chỉ chọn các dòng thỏa mãn điều kiện nhất định, ta dùng câu truy xuất nào dưới đây?
WHERE < điều kiện chọn>
ORDER BY < tên trường>
INNER JOIN
DELETE FROM <tên bảng> WHERE <điều kiện>
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