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NoSQL Databases (Redis, MongoDB, Apache Cassandra, DynamoDB) practice

4 exercises and 4 quizzes from the lessons of this track. Sample tests run in your browser; what you pass is kept in this browser only.

Foundations: data models, partitions and consistency

Pick a first-cut data model for ten workloads Exercise · Easy · Python · in “What NoSQL means today: four data models”
Quiz: What NoSQL means today: four data models Self-check · 11 questions
Write the access-pattern table of an online exam platform Exercise · Easy · Python · in “Design from access patterns, not from entities”
Quiz: Design from access patterns, not from entities Self-check · 10 questions
Choose partition keys for five workloads Exercise · Medium · Python · in “Partitioning, hashing and hot keys”
Quiz: Partitioning, hashing and hot keys Self-check · 10 questions
Write the quorum arithmetic of a leaderless store Exercise · Easy · Python · in “Replication, quorums and consistency models”
Quiz: Replication, quorums and consistency models Self-check · 10 questions

Results here are what this browser has checked: feedback for you, not proof. They stay on this device; your Learn progress can be exported to a file. · Back to the NoSQL Databases (Redis, MongoDB, Apache Cassandra, DynamoDB) track