
www.Usenet.com
| <-- __Chronological__ --> | <-- __Thread__ --> |
BINGO! This is the point that seems to be missed by most every one. Thank you David -- ---------------------------------------------------------------------------- ----------- Louis Davidson ([EMAIL PROTECTED]) Compass Technology Management Pro SQL Server 2000 Database Design http://www.apress.com/book/bookDisplay.html?bID=266 Note: Please reply to the newsgroups only unless you are interested in consulting services. All other replies will be ignored :) "David Portas" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Do you really allow the same Doctor, Department, etc to appear twice in its > table with different keys? If you don't declare unique natural keys then > that's the kind of problem you have. An IDENTITY isn't a *surrogate* key at > all unless the table also has a natural key - it's just a physical row > identifier. > > -- > David Portas > ------------ > Please reply only to the newsgroup > -- > >
| <-- __Chronological__ --> | <-- __Thread__ --> |