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What is Avro file format & what is its significance in delta tables?

Spark/Big Dataeasy0.4 min readPremium
Frequency
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Asked at 1 company
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452
questions in Spark/Big Data
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88E|81M|283H
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1,863
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Asked at these companies
Walmart
Key Concepts Tested
spark
Expert AnswerPremium
88 wordsInterview-ready
**Avro**: Row-based binary format; schema embedded; supports schema evolution. Common in Kafka, Hive. **Delta and Avro**: Delta primarily uses Parquet. Avro is optional for compatibility—e.g., reading from Kafka (Avro), converting to Delta. `spark.read.format("avro")` for Avro files. **Why Avro in Pipeline**: Kafka Schema Registry + Avro for evolution....
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