Practice - 5 Tasks
Answer the questions below
1fill in blank
easyComplete the code to identify the main purpose of the Command in CQRS.
HLD
In CQRS, the Command side is responsible for [1] data.
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Attempts:
3 left
💡 Hint
Common Mistakes
Confusing Command with Query responsibilities.
✗ Incorrect
The Command side handles all data changes or modifications.
2fill in blank
mediumComplete the code to describe the Query side responsibility in CQRS.
HLD
The Query side in CQRS is optimized for [1] data efficiently.
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Attempts:
3 left
💡 Hint
Common Mistakes
Mixing up reading and writing operations.
✗ Incorrect
The Query side focuses on reading data efficiently without modifying it.
3fill in blank
hardFix the error in the description of CQRS architecture.
HLD
In CQRS, the [1] and Query sides share the same database schema.
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Attempts:
3 left
💡 Hint
Common Mistakes
Assuming both sides use the same database schema.
✗ Incorrect
Command and Query sides usually have separate data models or databases to optimize their tasks.
4fill in blank
hardFill both blanks to complete the CQRS flow description.
HLD
The [1] side processes requests to change data, while the [2] side handles requests to fetch data.
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Attempts:
3 left
💡 Hint
Common Mistakes
Swapping Command and Query roles.
✗ Incorrect
Commands change data; Queries fetch data.
5fill in blank
hardFill all three blanks to complete the CQRS architecture components.
HLD
In CQRS, the [1] handles data changes, the [2] serves read requests, and the [3] ensures data synchronization between them.
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing the event bus with the database.
✗ Incorrect
The Command side handles writes, the Query side handles reads, and the Event bus syncs data changes.