The following table shows data about daily COVID testing and the test outcomes. The data in the table is significant.

Patient name Date of birth Date tested Outcome Variant $($if positive$)$ Patient birth country Doctor name Doctor birth country

Joseph George $11/08/198601/01/2021$ Negative UK Dr Matt Smith Australia

Mary Smith $12/12/199017/03/2021$ Negative Australia Dr Josephina Talbot Australia

Joseph George $11/08/198603/04/2021$ Positive Alpha UK Dr Rebecca Hammond UK

Tracey Zu $18/07/198812/02/2021$ Positive Delta India Dr Matt Smith Australia

Alan Fudge $01/02/195013/01/2021$ Positive Omicron South Africa Dr Nigel Curry UK

Nolleen Harrison $15/03/197516/04/2021$ Positive Gamma Brazil Dr Darren Rodgers USA

Is the table in second normal form?

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Is the table in third normal form?

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Is Doctor birth country dependent on Doctor name?

Partially dependent?

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Functionality dependent?

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Is Variant dependent on Outcome?

Partially dependent?

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Functionally dependent $?$

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This attribute, or combination of attributes, would be an acceptable primary key:

Patient name

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Patient name, date of birth

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Patient name, date tested

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