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Hmmm, I don't see why not. I can normalize a database and define it as physical files. I can present sequence, selection, projection, union and joins using logical views. I can define Key, Referential and Check Constraints using ADDPFCST. Apart from the fact that DDS does not have the full wumph of DDL, what is missing that stops me defining a referential database? Paul ----- Original Message ----- From: "Alan Campin" <Alan.Campin@xxxxxxx> To: <midrange-l@xxxxxxxxxxxx> Sent: Tuesday, June 21, 2005 5:39 PM Subject: Re: DBA Question >> Are you commenting about the implementation of databases you have seen or >> are you saying that a relational database cannot be implemented with DDS? Definitely the latter.
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