XPost: microsoft.public.sqlserver.programming   
   From: genew@ocis.net   
      
   On Fri, 15 Jul 2011 10:58:21 +0200, Erland Sommarskog   
    wrote:   
      
   >Gene Wirchenko (genew@ocis.net) writes:   
   >>      Please expand "DRI".   
   >   
   >Declarative Referential Integrity. That is constraints: CHECK and FOREIGN   
   >KEY constraints. And also PRIMARY KEY and UNIQUE constraints, although you   
   >cannot turn them off in SQL Server.   
   >   
   >In SQL Server DEFAULT is also termed as a constraint, but that is a bit   
   >incorrect.   
   >   
   >DRI should be seen in oppsition to RI checks implemented in triggrs.   
      
        Thank you for the well-written definition.   
      
   Sincerely,   
      
   Gene Wirchenko   
      
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