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You are using Bigtable to store and deliver stock market data for major indices. Your trading application needs to access the most recent streaming stock prices efficiently. How should you design your row key and tables to facilitate easy access with a straightforward query?
A
For each index, have a separate table and use a timestamp as the row key design.
B
Create one unique table for all of the indices, and then use a reverse timestamp as the row key design.
C
Create one unique table for all of the indices, and then use the index and timestamp as the row key design.
D
For each index, have a separate table and use a reverse timestamp as the row key design.