In terms of security and privacy concerns, both BigQuery and self-hosted on-prem data warehousing solutions have their own security measures in place.

BigQuery uses various security controls to help protect content, including access controls, column-level security for confidential data, and data encryption1. It also has the support of Google Cloud’s Identity and Access Management (IAM) system2.

On the other hand, self-hosted on-prem data warehousing solutions can offer more control over the security and privacy of your data since you have full control over the infrastructure and can implement your own security measures.

Ultimately, the level of security and privacy will depend on the specific measures implemented by each solution. It’s important to carefully evaluate the security and privacy features of both BigQuery and self-hosted on-prem data warehousing solutions to determine which one best meets your needs.

I hope this information helps you make an informed decision!
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