Google Exam Professional Data Engineer Topic 3 Question 42 Discussion

Actual exam question for Google's Professional Data Engineer exam

Question #: 42
Topic #: 3

You need to create a new transaction table in Cloud Spanner that stores product sales dat

a. You are deciding what to use as a primary key. From a performance perspective, which strategy should you choose?

AThe current epoch time

BA concatenation of the product name and the current epoch time

CA random universally unique identifier number (version 4 UUID)

DThe original order identification number from the sales system, which is a monotonically increasing integer

Show Suggested Answer

Suggested Answer: C

by Raylene at May 07, 2022, 12:59 AM

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