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Answer: Table metadata
The question asks what information is stored alongside data files in Delta Lake. Delta Lake's architecture includes a transaction log that stores table metadata (schema, partitioning information, file paths, statistics, etc.) alongside the actual data files in Parquet format. This metadata enables ACID transactions, time travel, and schema evolution. The community discussion shows 100% consensus on option C with upvoted comments confirming this is correct. Option B is incorrect because data summary visualizations are not stored in Delta Lake - they are generated by tools like Databricks. Option D is incorrect for the same reason. Option E is incorrect because owner account information is typically managed at the workspace/catalog level, not stored alongside individual data files. Option A is incorrect since C is the correct answer.
Author: LeetQuiz Editorial Team
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Which of the following types of information are stored alongside data files in a Delta Lake table?
A
None of these
B
Table metadata, data summary visualizations, and owner account information
C
Table metadata
D
Data summary visualizations
E
Owner account information
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