Câu hỏi gốc môn DBI202

524 câu gốc, sắp theo số đề từng chứa câu đó.

20 kết quả phù hợp nhất

Through VIEW, is it possible to update data in the original table (that VIEW sees)?

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When does the Inserted temporary trigger table become populated?

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In the relational model, how are relationships represented between tables?

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Which of the following is correct?

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Which command is used to remove a relation from an SQL?

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Which files are created automatically by SQL Server when you create a new database?

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Which statement about the network data model is true?

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In an ERD, which of the following best describes a one-to-many (1:M) relationship?

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Given that Cartoons and Murder Mysteries are special Movie genres, what is the relationship between entities Cartoons, Murder Mysteries and Movie?

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What is the main purpose of a conceptual data model in database design?

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Which of the following is an example of a composite attribute?

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The deadlock state can be changed back to stable state by using __________ statement.

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When is it recommended to use a cursor in SQL?

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Which statement is used to disable a foreign key constraint named fk_name during INSERT and UPDATE transactions in table B?

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Select the most correct answer

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For the following relations and a Set operation: Employee Name | City | Gender Nguyen Trung Truc | HCM | Male Le Hong Son | HCM | Male Customer Name | City | Gender Nguyen Trung Truc | HCM | Male Tran Tuyet Nhi | HN | Female and Employee ∪ Customer What is the result of the Union operation?

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What is Database Normalization?

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Which of the following statements about relational databases is true?

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Given the table Student(StudId, StudName), table Subject(SubId, SubName) and test score table (StudId, SubName, MarkExam). Suppose we need to query: "Find students who have never taken the Arithmetic exam", Which of the following operations can we use in SQL statements?

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What is an index?

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Câu hỏi gốc môn DBI202

Through VIEW, is it possible to update data in the original table (that VIEW sees)?

When does the Inserted temporary trigger table become populated?

In the relational model, how are relationships represented between tables?

Which of the following is correct?

Which command is used to remove a relation from an SQL?

Which files are created automatically by SQL Server when you create a new database?

Which statement about the network data model is true?

In an ERD, which of the following best describes a one-to-many (1:M) relationship?

Given that Cartoons and Murder Mysteries are special Movie genres, what is the relationship between entities Cartoons, Murder Mysteries and Movie?

What is the main purpose of a conceptual data model in database design?

Which of the following is an example of a composite attribute?

The deadlock state can be changed back to stable state by using __________ statement.

When is it recommended to use a cursor in SQL?

Which statement is used to disable a foreign key constraint named fk_name during INSERT and UPDATE transactions in table B?

Select the most correct answer

For the following relations and a Set operation: Employee Name | City | Gender Nguyen Trung Truc | HCM | Male Le Hong Son | HCM | Male Customer Name | City | Gender Nguyen Trung Truc | HCM | Male Tran Tuyet Nhi | HN | Female and Employee ∪ Customer What is the result of the Union operation?

What is Database Normalization?

Which of the following statements about relational databases is true?

Given the table Student(StudId, StudName), table Subject(SubId, SubName) and test score table (StudId, SubName, MarkExam). Suppose we need to query: "Find students who have never taken the Arithmetic exam", Which of the following operations can we use in SQL statements?

What is an index?