[progress Communities] [progress Openedge Abl] Forum Post: Re: Overhead Of Multiple Unique...

  • Thread starter Thread starter Aidan Jeffery
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Aidan Jeffery

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> If there can only be one record with the ssn "123456789"... Note that none of the three indexes you have specified guarantee the uniqueness of ssn. For that, you need to have a single-component index on ssn alone.

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