Practice Data Model (cassandra Specifics) (1.4) - Cloud Storage: Key-value Stores/NoSQL
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Data Model (Cassandra specifics)

Practice - Data Model (Cassandra specifics)

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a keyspace in Cassandra?

💡 Hint: Think of how databases organize tables.

Question 2 Easy

Name one feature that makes key-value stores flexible.

💡 Hint: Consider how data can be structured without a pre-defined schema.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a keyspace in Cassandra?

Collection of rows
Logical grouping of column families
Stored procedures

💡 Hint: Focus on how data is theoretically grouped.

Question 2

True or False: Cassandra ensures strong consistency across all replicas at all times.

True
False

💡 Hint: Consider the difference between immediate and eventual outcomes.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a Cassandra schema for a blogging platform where each post can have multiple tags and comments. Explain how you would structure the keyspace, column families, and replication strategy.

💡 Hint: Think about the varying data types each post can have.

Challenge 2 Hard

If an application needs to ensure strong consistency while using Cassandra, what strategies can be employed to achieve this balance, considering the CAP theorem?

💡 Hint: Consider how adjusting read/write confirmations impacts overall performance.

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Reference links

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