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Question 126 - ARA-C01 discussion
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?
A.
lOT_timestamp
B.
City and DeviceManuf acturer
C.
Deviceld and Customerld
D.
Uniqueld
Your answer:
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