ASSOCIATE-CLOUD-ENGINEER · Question #110
ASSOCIATE-CLOUD-ENGINEER Question #110: Real Exam Question with Answer & Explanation
The correct answer is C: Create external tables in BigQuery that point to Cloud Storage buckets and run a SQL query on. An external data source (also known as a federated data source) is a data source that you can query directly even though the data is not stored in BigQuery. Instead of loading or streaming the data, you create a table that references the external data source. https://cloud.google
Question
You have a large 5-TB AVRO file stored in a Cloud Storage bucket. Your analysts are proficient only in SQL and need access to the data stored in this file. You want to find a cost-effective way to complete their request as soon as possible. What should you do?
Options
- ALoad data in Cloud Datastore and run a SQL query against it.
- BCreate a BigQuery table and load data in BigQuery. Run a SQL query on this table and drop this
- CCreate external tables in BigQuery that point to Cloud Storage buckets and run a SQL query on
- DCreate a Hadoop cluster and copy the AVRO file to NDFS by compressing it. Load the file in a
Explanation
An external data source (also known as a federated data source) is a data source that you can query directly even though the data is not stored in BigQuery. Instead of loading or streaming the data, you create a table that references the external data source. https://cloud.google.com/bigquery/external-data-sources
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