Update base-query.md

[eh8]

fix: typo

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File	Status	Preview URL	Details
data-explorer/base-query.md	✅Succeeded

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[Jak-MS]

@shsagir - I don't think this needs to change. The current use of 'than' is correct. That said, the change to 'that' might also be correct. I leave it to you to decide.

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

[shsagir]

#sign-off