Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary purpose of indexing in databases?
💡 Hint: Think about the benefits of having a categorized list.
Question 2
Easy
Name one type of index.
💡 Hint: Many indexing types exist; recall one from our lesson.
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 is the primary function of an index?
- To speed up data retrieval
- To encrypt data
- To delete records
💡 Hint: Think about its purpose in organizing data.
Question 2
True or False: A hash index can support range queries.
- True
- False
💡 Hint: Recall the specific functions of different index types.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
How would you optimize a database that currently has suboptimal indexing, with a focus on the trade-offs between read and write performance?
💡 Hint: Consider the balance of your workload before implementing changes.
Question 2
Consider a database used for e-commerce transactions. Describe your indexing strategy to improve search performance.
💡 Hint: Think about which attributes users search for the most.
Challenge and get performance evaluation