Which statement is true about the COPY statement in Warehouse in terms of supported data sources and file formats?

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Multiple Choice

Which statement is true about the COPY statement in Warehouse in terms of supported data sources and file formats?

Explanation:
The key idea is which sources and file formats the COPY operation can read from. For this COPY in Warehouse, the supported data sources are Azure storage endpoints—ADLS Gen2 and Azure Blob Storage. The file formats it can ingest from are PARQUET and CSV. This combination reflects how the COPY command is designed to pull data directly from Azure data lake storage using efficient columnar (PARQUET) or delimited (CSV) formats. Other options mention sources like Google Cloud Storage or Amazon S3, or formats like JSON or ORC, which aren’t indicated as supported for this specific COPY operation.

The key idea is which sources and file formats the COPY operation can read from. For this COPY in Warehouse, the supported data sources are Azure storage endpoints—ADLS Gen2 and Azure Blob Storage. The file formats it can ingest from are PARQUET and CSV. This combination reflects how the COPY command is designed to pull data directly from Azure data lake storage using efficient columnar (PARQUET) or delimited (CSV) formats. Other options mention sources like Google Cloud Storage or Amazon S3, or formats like JSON or ORC, which aren’t indicated as supported for this specific COPY operation.

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