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Google Cloud Certified Professional-Data-Engineer Question # 10 Topic 2 Discussion

Professional-Data-Engineer Exam Topic 2 Question 10 Discussion:
Question #: 10
Topic #: 2

MJTelco needs you to create a schema in Google Bigtable that will allow for the historical analysis of the last 2 years of records. Each record that comes in is sent every 15 minutes, and contains a unique identifier of the device and a data record. The most common query is for all the data for a given device for a given day. Which schema should you use?
A.

Rowkey: date#device_idColumn data: data_point

B.

Rowkey: dateColumn data: device_id, data_point

C.

Rowkey: device_idColumn data: date, data_point

D.

Rowkey: data_pointColumn data: device_id, date

E.

Rowkey: date#data_pointColumn data: device_id

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Actual exam question for Google Professional-Data-Engineer exam by Sage4319 at Mar 6, 2025, 12:22:28 AM

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