Add PRODUCT function to aggregate functions documentation

[HugoKornelis]

Add PRODUCT function to aggregate functions documentation, applicable to SQL Server 2025 and other Microsoft services.

[prmerger-automator]

HugoKornelis : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit b06cf4b:

⚠️ Validation status: warnings

File	Status	Preview URL	Details
docs/t-sql/functions/aggregate-functions-transact-sql.md	⚠️Warning		Details

docs/t-sql/functions/aggregate-functions-transact-sql.md

• Line 46, Column 3: [Warning: file-not-found - See documentation] Invalid file link: 'product-aggregate-sql.md'.

For more details, please refer to the build report.

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[Diana Richards (v-dirichards)]

Mark Ghanayem (@markingmyname)

Can you review the proposed changes?

Important: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[Copilot]

Pull request overview

Adds a reference to the PRODUCT aggregate function in the aggregate functions index page so readers can discover the new function documentation.

Changes:

• Adds PRODUCT to the aggregate functions list.
• Includes an applicability note inline with the list entry (currently).

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[Randolph West MSFT (rwestMSFT)]

#reassign:rwestMSFT

[Randolph West MSFT (rwestMSFT)]

Thanks as ever, Hugo!

[learn-build-service-prod]

Learn Build status updates of commit 4bfd6b6:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/t-sql/functions/aggregate-functions-transact-sql.md	✅Succeeded

For more details, please refer to the build report.

[prmerger-automator]

PR 10376 has been merged from HugoKornelis:patch-17 to MicrosoftDocs:live by rwestMSFT.

HugoKornelis, Mark Ghanayem (@markingmyname), Randolph West MSFT (@rwestMSFT)