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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a relation in a database?
💡 Hint: Think about how data is organized in a spreadsheet.
Question 2
Easy
Define an attribute in the context of a relation.
💡 Hint: What do we call the columns in a table?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a tuple represent in a relation?
- A column in the table
- A complete record of data
- The domain of an attribute
💡 Hint: Think about what information each row contains.
Question 2
True or False: The order of attributes in a relation affects the meaning of the data.
- True
- False
💡 Hint: What defines each column in a relation?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a relation for a library database with books, including attributes. Then provide an example tuple.
💡 Hint: What specific data would you need for each book?
Question 2
Explain how the concept of domains helps maintain data integrity in a relation, with practical examples.
💡 Hint: What happens if data does not fit the defined domain?
Challenge and get performance evaluation