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In a scenario where you are tasked with analyzing historical data trends from a Delta Lake table for a financial reporting application, you need to ensure data consistency and optimize query performance. The application requires the ability to view the data as it existed at specific points in time without affecting the current data processing workflows. Considering the need for cost efficiency, compliance with data governance policies, and the scalability of the solution, which of the following options best describes the benefit of using the AS OF clause in this context? Choose the best option from the four provided.
A
The AS OF clause allows for querying the latest version of the table, ensuring real-time data access but may not meet the requirement for historical data analysis.
B
The AS OF clause enables querying the first version of the table, useful for initial data analysis but lacks the flexibility for specific point-in-time analysis.
C
The AS OF clause provides the ability to query any version of the table, offering no performance benefits and complicating data governance compliance.
D
The AS OF clause allows querying a specific version of the table by specifying the version timestamp, providing a consistent view of the data at a particular point in time and improving query performance by reducing the amount of data scanned.