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Re: Primary key in table
Posted by: Peter Brawley
Date: September 16, 2017 02:56PM

Yes, SSN is a good example of a poor candidate key.

Again, to the extent the column value may require editing, for example, a person's or company's name, the column is less desirable as a PK.

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September 16, 2017 10:22AM
September 16, 2017 01:44PM
September 16, 2017 02:40PM
Re: Primary key in table
September 16, 2017 02:56PM
September 19, 2017 05:08AM
September 20, 2017 11:29AM
September 20, 2017 12:20PM
September 20, 2017 12:42PM


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