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unique calculation?

Aussie John
in Calculation Engine (Define Fields)

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Once you have created a calculation field can you set the field to also be unique?

FileMaker Version: 7

Platform: Mac OS X Panther

No. Calculations fields cannot have field-level validation.

However there are instructions posted to the FM TechInfo Library to validate calculated fields for uniqueness. It involves a self-join and an lookup.

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https://fmforums.com/topic/21285-unique-calculation/
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