Does polybase bring entire external table data onto sql server?

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sql-server sql-server-2019 polybase

                          I'm exploring sql polybase using Azure blob storage and other data sources.

For blob storage sql server brings the entire blob onto the server and then performs where/join.

What is the behaviour when using another database like mysql instead of Azure blob storage? Does polybase bring entire mysql table data into the sql server for each query?

Asked by variable (3590 rep)

Sep 23, 2022, 09:46 AM
Last activity: Mar 4, 2025, 12:06 PM

Does polybase bring entire external table data onto sql server?

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