Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main purpose of indexing in databases?
💡 Hint: Think about how books use an index.
Question 2
Easy
Name one type of index.
💡 Hint: Think about automatic versus user-defined.
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 purpose of an index in a database?
- To slow down data retrieval
- To track data redundancy
- To speed up data retrieval
💡 Hint: Think of how a book index helps find information quickly.
Question 2
True or False: Primary Key Indexes are created automatically.
- True
- False
💡 Hint: Recall the definition of primary keys.
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Challenge Problems
Push your limits with challenges.
Question 1
Given a table with millions of rows, analyze how different types of indexes might impact the performance of data retrieval and why one might choose to implement a custom index over a default primary key index.
💡 Hint: Think about specific use cases for different types of data retrieval.
Question 2
Write a detailed plan for indexing a database that is primarily used for reporting daily sales across multiple years of data. Which indexes would you create and why?
💡 Hint: Prioritize fields that enhance the efficiency of high-frequency queries.
Challenge and get performance evaluation