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Confluent Exam CCDAK Topic 1 Question 46 Discussion

Actual exam question for Confluent's CCDAK exam
Question #: 46
Topic #: 1
[All CCDAK Questions]

In Avro, adding a field to a record without default is a __ schema evolution

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Suggested Answer: A

Since Confluent 5.4.0, Avro 1.9.1 is used. Since default value was added to enum complex type , the schema resolution changed from:

(<1.9.1) if both are enums:** if the writer's symbol is not present in the reader's enum, then an error is signalled. **(>=1.9.1) if both are enums:

if the writer's symbol is not present in the reader's enum and the reader has a default value, then that value is used, otherwise an error is signalled.


by Josephine at Dec 22, 2023, 02:43 PM

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Nina
11 days ago
Adding a field without a default? Sounds like a great way to 'Avro-id' compatibility issues. *ba dum tss*
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Ellsworth
12 days ago
Wait, you mean Avro has schemas? I thought it was just a fancy way to say 'Avocado'! *scratches head*
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Tesha
16 days ago
D all the way, baby! Breaking changes are my middle name. *flexes biceps*
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Amie
22 hours ago
A) forward
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Devorah
20 days ago
Easy peasy, it's C. Full schema evolution, right? Who needs defaults anyway, am I right? *winks*
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Lashawna
29 days ago
Hmm, I'm not sure about this one. Might be B or D. Gotta double-check the Avro docs on schema evolution.
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Judy
1 days ago
I believe it's D) breaking.
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Kelvin
13 days ago
I think it's B) backward.
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Wei
30 days ago
I think the answer is D. Adding a field without a default is definitely a breaking change in Avro schema evolution.
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Edward
2 months ago
I'm not sure, but I think it's either A) forward or C) full.
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Esteban
2 months ago
I agree with Shad, adding a field without default is a forward schema evolution.
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Shad
2 months ago
I think the answer is A) forward.
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Hubert
2 months ago
That makes sense. I agree with you.
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Dahlia
2 months ago
I believe the answer is D) breaking because adding a field without default can break compatibility with existing data.
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Hubert
2 months ago
What do you think the answer is for this question?
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