ARA-C01 · Question #38
ARA-C01 Question #38: Real Exam Question with Answer & Explanation
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Question
A table for IOT devices that measures water usage is created. The table quickly becomes large and contains more than 2 billion rows. The general query patterns for the table are: 1. DeviceId, lOT_timestamp and Customerld are frequently used in the filter predicate for the select statement 2. The columns City and DeviceManuf acturer are often retrieved 3. There is often a count on Uniqueld Which field(s) should be used for the clustering key?
Options
- AlOT_timestamp
- BCity and DeviceManuf acturer
- CDeviceld and Customerld
- DUniqueld
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