CH 23: DISTRIBUTED DATABASE CONCEPTS
23.21 – Compare the primary site method with the primary copy method for distributed concurrency control. How does the use of backup sites affect each?
23.22 – When are voting and elections used in distributed databases?
23.26 – Discuss briefly online directories, their management, and their role in distributed databases
CH 24: INTRODUCTION TO NOSQL SYSTEMS
24.8 – Discuss how replication and sharding are done in MongoDB
24.9 – Discuss the data modeling concepts in DynamoDB.