Answer by philipxy for When should a social security number be used as a...
SSN is not a unique identifier for people. Whether it should be the PK in some table depends on what the rows in the table mean. (See also sqlvogel's answer.)6.1 percent of Americans have at least two...
View ArticleAnswer by nvogel for When should a social security number be used as a...
Keys can only be determined from business rules. What matters is whether it makes sense in the context of your business requirements to enforce uniqueness of SSN or not. That is not a matter your DBA...
View ArticleAnswer by Mike Robinson for When should a social security number be used as a...
Never!In the USA, both Federally and in the several States, there are strict laws concerning the handling of social security numbers and the uses to which they may be put. As the issue of identity...
View ArticleWhen should a social security number be used as a database primary key?
Our DBA says that because the social security number (SSN) is unique, that we should use it as the primary key in a table.While I do not agree with the DBA (and have already mentioned some of the good...
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