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Discuss the role of the transaction log in maintaining the consistency of data in Delta Lake during concurrent read and write operations. Explain how the log ensures that readers always see a consistent view of the data.
A
The transaction log is used only for write operations and does not affect read operations.
B
The transaction log ensures consistency by recording all changes to the data, allowing readers to access a consistent snapshot of the data at any point in time.
C
Delta Lake does not use a transaction log; consistency is maintained through direct interaction with cloud storage.
D
The transaction log in Delta Lake is primarily used for performance optimization and does not contribute to data consistency.
