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For one-to-one relationships, should the PK be the foreign key relationship? #7

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ejurga opened this issue Oct 31, 2024 · 0 comments
Open

For one-to-one relationships, should the PK be the foreign key relationship? #7

ejurga opened this issue Oct 31, 2024 · 0 comments

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@ejurga
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ejurga commented Oct 31, 2024

e.g., collection_information is a one-to-one relationship to samples... this can be expressed by setting the sample_id FK relationship column to primary key...

Currently, one-to-one is maintained by a UNIQUE constraint on the sample_id FK column.
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