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Question 178 - Professional Data Engineer discussion

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You need to create a near real-time inventory dashboard that reads the main inventory tables in your BigQuery data warehouse. Historical inventory data is stored as inventory balances by item and location. You have several thousand updates to inventory every hour. You want to maximize performance of the dashboard and ensure that the data is accurate. What should you do?

A.
Leverage BigQuery UPDATE statements to update the inventory balances as they are changing.
Answers
A.
Leverage BigQuery UPDATE statements to update the inventory balances as they are changing.
B.
Partition the inventory balance table by item to reduce the amount of data scanned with each inventory update.
Answers
B.
Partition the inventory balance table by item to reduce the amount of data scanned with each inventory update.
C.
Use the BigQuery streaming the stream changes into a daily inventory movement table. Calculate balances in a view that joins it to the historical inventory balance table. Update the inventory balance table nightly.
Answers
C.
Use the BigQuery streaming the stream changes into a daily inventory movement table. Calculate balances in a view that joins it to the historical inventory balance table. Update the inventory balance table nightly.
D.
Use the BigQuery bulk loader to batch load inventory changes into a daily inventory movement table. Calculate balances in a view that joins it to the historical inventory balance table. Update the inventory balance table nightly.
Answers
D.
Use the BigQuery bulk loader to batch load inventory changes into a daily inventory movement table. Calculate balances in a view that joins it to the historical inventory balance table. Update the inventory balance table nightly.
Suggested answer: A
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asked 18/09/2024
Storage Junk
48 questions
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