Practice Hash-based Indexing (7.6.2) - File Organization and Indexing - Introduction to Database Systems
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Hash-Based Indexing

Practice - Hash-Based Indexing

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a hash function?

💡 Hint: Think about how it changes data into a simple form.

Question 2 Easy

What is a collision in hash indexing?

💡 Hint: Consider what happens if two books share the same index page.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary benefit of hash-based indexing?

Fast exact-match lookups
Efficient range queries
Easier updates

💡 Hint: Recall the scenarios where speed for specific values is critical.

Question 2

True or False: Hash-based indexing is ideal for range queries.

True
False

💡 Hint: Think about how you search through items that need to be sorted.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Describe a scenario in a user management system where hash-based indexing would be beneficial, and explain the reasoning.

💡 Hint: Think about systems where unique identifiers are used frequently.

Challenge 2 Hard

Suppose two usernames hash to the same index location. Design a collision resolution strategy for this case. Discuss its advantages and disadvantages.

💡 Hint: Consider how linked lists could help manage overcrowding.

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