E-R diagram code U1

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От Rich Shepard
Тема E-R diagram code U1
Дата
Msg-id alpine.LNX.2.11.1610290911280.4978@localhost
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Ответы Re: E-R diagram code U1
Список pgsql-general
   Looking at the entity-relationship diagram for a regulatory agency database
they have attribute identifiers of PK, FKn, and U1. The first is the Primary
Key and the second is a Foreign Key, but I've not before seen a 'Un'
identifyier. I've no idea what DBMS they're using (but suspect Oracle). My
web search used in-effective terms so I could not find the answer there.

   What does U1 represent?

Rich


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