
Hệ quản trị CSDL (SQL Server)
Quiz
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Education
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University
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Practice Problem
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Easy
Nguyễn Phúc
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78 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Hãy xem thủ tục sau: Create Procedure Proc_Temp @tmp int output As Select @tmp = X from Table1 Return Hãy xác định lệnh SQL được dùng để hiển thị giá trị của biến đầu ra khi thủ tục này được gọi: Exec Proc_Temp @tmp=@temp output Print @temp Print @temp
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Khi tạo cấu trúc bảng trong SQL, nếu tại Data Type của cột tương ứng người dùng chọn kiểu ‘‘Nchar(n)’’ thì dữ liệu của cột đó nhận giá trị ở dạng nào trong các phương án sau?
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Giao dịch từ xa là gì?
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
SET TRANSACTION ISOLATION LEVEL READ COMMITTED
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Lệnh DROP PROCEDURE tên_thủ_tục dùng để:
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Trong câu lệnh Select, sau từ khoá ‘‘Having ’’ là gì? Hãy chọn phương án đúng trong các phương án dưới đây:
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Trong Cú pháp câu lệnh ràng buộc Forein Key, từ khoá On Update có nghĩa là gì trong các phương án sau?
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