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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary difference between Relational Algebra and Relational Calculus?
💡 Hint: Focus on the 'how' versus 'what' distinction.
Question 2
Easy
Which type of relational calculus uses tuple variables?
💡 Hint: Remember, 'tuple' refers to rows 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
Relational Calculus is a procedural query language.
- True
- False
💡 Hint: Remember the distinction between procedural and declarative.
Question 2
Which of the following is a type of Relational Calculus that deals with rows?
- Domain Relational Calculus
- Tuple Relational Calculus
- SQL
💡 Hint: Think about which calculus type operates on row data.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a DRC query for all employees with a name starting with 'A' and a salary above $60,000.
💡 Hint: How would you define the conditions to filter names and salaries?
Question 2
Create a TRC expression that fetches all tuples from EMPLOYEES where the department is 'HR' and has more than 10 years of experience.
💡 Hint: Remember to reflect on the appropriate conditions!
Challenge and get performance evaluation