[Solved] Consider these events in an event store:1: AccountOpened {accountId: 5, owner: 'Bob'}2: OwnerNameUpdated {accountId: 5, owner: 'Robert'}What is the account owner's name after replaying these events? | Microservices

Microservices - Event-Driven Architecture

Consider these events in an event store:
1: AccountOpened {accountId: 5, owner: 'Bob'}
2: OwnerNameUpdated {accountId: 5, owner: 'Robert'}
What is the account owner's name after replaying these events?

ARobert

BBob

CAccountOpened

DUndefined

Step-by-Step Solution

Solution:

Step 1: Analyze event sequence
The first event sets owner to 'Bob'. The second updates it to 'Robert'.
Step 2: Replay events in order
Replaying applies changes sequentially, so final owner is 'Robert'.
Final Answer:
Robert -> Option A
Quick Check:
Latest update overrides previous [OK]

Quick Trick: Latest update overrides previous [OK]

Common Mistakes:

MISTAKES

Using the initial event value instead of last update
Confusing event names with values
Assuming events do not update state

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More Microservices Quizzes

Consider these events in an event store:

Step 1: Analyze event sequence

Step 2: Replay events in order

Final Answer:

Quick Check:

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