[Solved] Given this Avro schema evolution scenario:Old schema: {"name": "id", "type": "int"} New schema: {"name": "id", "type": "int"}, {"name": "name", "type": "string", "default":... | Kafka

Kafka - Schema Registry

Given this Avro schema evolution scenario:

Old schema: {"name": "id", "type": "int"}
New schema: {"name": "id", "type": "int"}, {"name": "name", "type": "string", "default": "unknown"}

What compatibility type does this change support?

ABackward compatible only

BForward compatible only

CNot compatible

DFull compatible

Step-by-Step Solution

Solution:

Step 1: Analyze schema change
A new field "name" with a default value "unknown" is added to the schema.
Step 2: Determine compatibility
Adding a field with a default supports both backward and forward compatibility, so it is full compatible.
Final Answer:
Full compatible -> Option D
Quick Check:
Adding field with default = full compatibility [OK]

Quick Trick: Adding defaulted fields means full compatibility [OK]

Common Mistakes:

MISTAKES

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